From c4d54ab29a02b0bfdba5f5c2ee7f1caae79afdaa Mon Sep 17 00:00:00 2001
From: Ramesh Nair <ram@hiddentao.com>
Date: Wed, 18 May 2016 19:10:55 +0800
Subject: [PATCH] added stringFormatter option

---
 CHANGELOG.md                 |  3 ++-
 bower.json                   |  2 +-
 package.json                 |  2 +-
 squel-basic.js               | 11 +++++++++--
 squel-basic.min.js           |  4 ++--
 squel.js                     | 11 +++++++++--
 squel.min.js                 |  4 ++--
 src/core.js                  |  7 +++++++
 test/baseclasses.test.coffee | 33 ++++++++++++++++++++-------------
 test/mssql.test.coffee       |  1 +
 test/postgres.test.coffee    |  1 +
 11 files changed, 55 insertions(+), 24 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3975849f..abb10c4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog for [squel](https://github.com/hiddentao/squel)
 
-## 18 May 2016 (5.1.1)
+## 18 May 2016 (5.2.0)
+* Fix for #109 - custom string formatting function enabled
 * Fix for #235 - fix a regression
 
 ## 14 May 2016 (5.1.0)
diff --git a/bower.json b/bower.json
index a5d75454..721022d9 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "squel",
-  "version": "5.0.4",
+  "version": "5.2.0",
   "main": "squel.js",
   "ignore": [
     "**/.*",
diff --git a/package.json b/package.json
index cc19664f..341d32df 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "squel",
   "description": "SQL query string builder",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "author": "Ramesh Nair <ram@hiddentao.com> (http://www.hiddentao.com/)",
   "contributors": [
     "Ramesh Nair <ram@hiddentao.com> (http://www.hiddentao.com/)",
diff --git a/squel-basic.js b/squel-basic.js
index 2b041a64..3c1ce2bf 100644
--- a/squel-basic.js
+++ b/squel-basic.js
@@ -275,7 +275,9 @@ function _buildSquel() {
     // The string to replace single quotes with in query strings
     singleQuoteReplacement: '\'\'',
     // String used to join individual blocks in a query when it's stringified
-    separator: ' '
+    separator: ' ',
+    // Function for formatting string values prior to insertion into query string
+    stringFormatter: null
   };
 
   // Global custom value handlers for all instances of builder
@@ -612,6 +614,11 @@ function _buildSquel() {
           } else if (value instanceof cls.BaseBuilder) {
             value = this._applyNestingFormatting(value.toString());
           } else if (typeofValue !== "number") {
+            // if it's a string and we have custom string formatting turned on then use that
+            if ('string' === typeofValue && this.options.stringFormatter) {
+              return this.options.stringFormatter(value);
+            }
+
             if (formattingOptions.dontQuote) {
               value = '' + value;
             } else {
@@ -2935,7 +2942,7 @@ function _buildSquel() {
   }(cls.QueryBuilder);
 
   var _squel = {
-    VERSION: '5.1.0',
+    VERSION: '5.2.0',
     flavour: flavour,
     expr: function expr(options) {
       return new cls.Expression(options);
diff --git a/squel-basic.min.js b/squel-basic.min.js
index 79eb54ee..7cc341cb 100644
--- a/squel-basic.min.js
+++ b/squel-basic.min.js
@@ -1,2 +1,2 @@
-/*! squel | https://github.com/hiddentao/squel | BSD license */!function(t,e){"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?module.exports=e():t.squel=e()}(this,function(){"use strict";function t(t){if(Array.isArray(t)){for(var e=0,r=Array(t.length);e<t.length;e++)r[e]=t[e];return r}return Array.from(t)}function e(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function r(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t,e){return t.length?t+e:t}function a(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];if(t&&r){var i=!0,a=!1,o=void 0;try{for(var l,u=function(){var e=l.value;"object"===("undefined"==typeof e?"undefined":y(e))&&Object.getOwnPropertyNames(e).forEach(function(r){"function"!=typeof e[r]&&(t[r]=e[r])})},s=r[Symbol.iterator]();!(i=(l=s.next()).done);i=!0)u()}catch(f){a=!0,o=f}finally{try{!i&&s["return"]&&s["return"]()}finally{if(a)throw o}}}return t}function o(t){return t&&t.constructor.prototype===Object.prototype}function l(t){return t&&t.constructor.prototype===Array.prototype}function u(t){if(t&&t.constructor&&t.constructor.toString){var e=t.constructor.toString().match(/function\s*(\w+)/);if(e&&2===e.length)return e[1]}}function s(t){if(!t)return t;if("function"==typeof t.clone)return t.clone();if(!o(t)&&!l(t))return JSON.parse(JSON.stringify(t));var e=function(){var e=new t.constructor;return Object.getOwnPropertyNames(t).forEach(function(r){"function"!=typeof 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g=v._toParamString({nested:!0,buildParameterized:n});a+=g.text,o.push.apply(o,t(g.values))}d&&(a+=" AS "+this._formatFieldAlias(d))}}catch(b){u=!0,s=b}finally{try{!l&&c["return"]&&c["return"]()}finally{if(u)throw s}}if(!a.length){var m=r&&r.getBlock(p.FromTableBlock);m&&m._hasTable()&&(a="*")}return{text:a,values:o}}}]),o}(p.Block),p.AbstractSetFieldBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._reset(),r}return r(i,t),d(i,[{key:"_reset",value:function(){this._fields=[],this._values=[[]],this._valueOptions=[[]]}},{key:"_set",value:function(t,e){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];if(this._values.length>1)throw new Error("Cannot set multiple rows of fields this way.");"undefined"!=typeof e&&(e=this._sanitizeValue(e)),t=this._sanitizeField(t);var n=this._fields.indexOf(t);-1===n&&(this._fields.push(t),n=this._fields.length-1),this._values[0][n]=e,this._valueOptions[0][n]=r}},{key:"_setFields",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if("object"!==("undefined"==typeof t?"undefined":y(t)))throw new Error("Expected an object but got "+("undefined"==typeof t?"undefined":y(t)));for(var r in t)this._set(r,t[r],e)}},{key:"_setFieldsRows",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if(!l(t))throw new Error("Expected an array of objects but got "+("undefined"==typeof t?"undefined":y(t)));this._reset();for(var r=0;t.length>r;++r){var n=t[r];for(var i in n){var a=n[i];i=this._sanitizeField(i),a=this._sanitizeValue(a);var o=this._fields.indexOf(i);if(r>0&&-1===o)throw new Error("All fields in subsequent rows must match the fields in the first row");-1===o&&(this._fields.push(i),o=this._fields.length-1),l(this._values[r])||(this._values[r]=[],this._valueOptions[r]=[]),this._values[r][o]=a,this._valueOptions[r][o]=e}}}}]),i}(p.Block),p.SetFieldBlock=function(a){function o(){return n(this,o),e(this,Object.getPrototypeOf(o).apply(this,arguments))}return r(o,a),d(o,[{key:"set",value:function(t,e,r){this._set(t,e,r)}},{key:"setFields",value:function(t,e){this._setFields(t,e)}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=e.buildParameterized;if(0>=this._fields.length)throw new Error("set() needs to be called");for(var n="",a=[],o=0;o<this._fields.length;++o){n=i(n,", ");var l=this._formatFieldName(this._fields[o]),u=this._values[0][o];if("undefined"==typeof u)n+=l;else{var s=this._buildString(l+" = "+this.options.parameterCharacter,[u],{buildParameterized:r,formattingOptions:this._valueOptions[0][o]});n+=s.text,a.push.apply(a,t(s.values))}}return{text:"SET "+n,values:a}}}]),o}(p.AbstractSetFieldBlock),p.InsertFieldValueBlock=function(a){function o(){return n(this,o),e(this,Object.getPrototypeOf(o).apply(this,arguments))}return r(o,a),d(o,[{key:"set",value:function(t,e){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];this._set(t,e,r)}},{key:"setFields",value:function(t,e){this._setFields(t,e)}},{key:"setFieldsRows",value:function(t,e){this._setFieldsRows(t,e)}},{key:"_toParamString",value:function(){for(var e=this,r=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],n=r.buildParameterized,a=this._fields.map(function(t){return e._formatFieldName(t)}).join(", "),o=[],l=[],u=0;u<this._values.length;++u){o[u]="";for(var s=0;s<this._values[u].length;++s){var f=this._buildString(this.options.parameterCharacter,[this._values[u][s]],{buildParameterized:n,formattingOptions:this._valueOptions[u][s]});l.push.apply(l,t(f.values)),o[u]=i(o[u],", "),o[u]+=f.text}}return{text:a.length?"("+a+") VALUES ("+o.join("), (")+")":"",values:l}}}]),o}(p.AbstractSetFieldBlock),p.InsertFieldsFromQueryBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._fields=[],r._query=null,r}return r(i,t),d(i,[{key:"fromQuery",value:function(t,e){var r=this;this._fields=t.map(function(t){return r._sanitizeField(t)}),this._query=this._sanitizeBaseBuilder(e)}},{key:"_toParamString",value:function(){var t=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],e="",r=[];if(this._fields.length&&this._query){var n=this._query._toParamString({buildParameterized:t.buildParameterized,nested:!0}),i=n.text,a=n.values;e="("+this._fields.join(", ")+") "+this._applyNestingFormatting(i),r=a}return{text:e,values:r}}}]),i}(p.Block),p.DistinctBlock=function(t){function i(){return n(this,i),e(this,Object.getPrototypeOf(i).apply(this,arguments))}return r(i,t),d(i,[{key:"distinct",value:function(){this._useDistinct=!0}},{key:"_toParamString",value:function(){return{text:this._useDistinct?"DISTINCT":"",values:[]}}}]),i}(p.Block),p.GroupByBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._groups=[],r}return r(i,t),d(i,[{key:"group",value:function(t){this._groups.push(this._sanitizeField(t))}},{key:"_toParamString",value:function(){arguments.length<=0||void 0===arguments[0]?{}:arguments[0];return{text:this._groups.length?"GROUP BY "+this._groups.join(", "):"",values:[]}}}]),i}(p.Block),p.OffsetBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._offsets=null,r}return r(i,t),d(i,[{key:"offset",value:function(t){this._offsets=this._sanitizeLimitOffset(t)}},{key:"_toParamString",value:function(){return{text:this._offsets?"OFFSET "+this._offsets:"",values:[]}}}]),i}(p.Block),p.AbstractConditionBlock=function(i){function a(t){n(this,a);var r=e(this,Object.getPrototypeOf(a).call(this,t));return r._conditions=[],r}return r(a,i),d(a,[{key:"_condition",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];t=this._sanitizeExpression(t),this._conditions.push({expr:t,values:r})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=[],n=[],i=!0,a=!1,o=void 0;try{for(var l,u=this._conditions[Symbol.iterator]();!(i=(l=u.next()).done);i=!0){var s=l.value,f=s.expr,c=s.values,h=f instanceof p.Expression?f._toParamString({buildParameterized:e.buildParameterized}):this._buildString(f,c,{buildParameterized:e.buildParameterized});h.text.length&&r.push(h.text),n.push.apply(n,t(h.values))}}catch(v){a=!0,o=v}finally{try{!i&&u["return"]&&u["return"]()}finally{if(a)throw o}}return r.length&&(r=r.join(") AND (")),{text:r.length?this.options.verb+" ("+r+")":"",values:n}}}]),a}(p.Block),p.WhereBlock=function(t){function i(t){return n(this,i),e(this,Object.getPrototypeOf(i).call(this,a({},t,{verb:"WHERE"})))}return r(i,t),d(i,[{key:"where",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];this._condition.apply(this,[t].concat(r))}}]),i}(p.AbstractConditionBlock),p.HavingBlock=function(t){function i(t){return n(this,i),e(this,Object.getPrototypeOf(i).call(this,a({},t,{verb:"HAVING"})))}return r(i,t),d(i,[{key:"having",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];this._condition.apply(this,[t].concat(r))}}]),i}(p.AbstractConditionBlock),p.OrderByBlock=function(a){function o(t){n(this,o);var r=e(this,Object.getPrototypeOf(o).call(this,t));return r._orders=[],r}return r(o,a),d(o,[{key:"order",value:function(t,e){for(var r=arguments.length,n=Array(r>2?r-2:0),i=2;r>i;i++)n[i-2]=arguments[i];t=this._sanitizeField(t),e=void 0===e?!0:e,e=null!==e?!!e:e,this._orders.push({field:t,dir:e,values:n})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],a=!0,o=!1,l=void 0;try{for(var u,s=this._orders[Symbol.iterator]();!(a=(u=s.next()).done);a=!0){var f=u.value,c=f.field,h=f.dir,v=f.values;r=i(r,", ");var d=this._buildString(c,v,{buildParameterized:e.buildParameterized});r+=d.text,n.push.apply(n,t(d.values)),null!==h&&(r+=" "+(h?"ASC":"DESC"))}}catch(y){o=!0,l=y}finally{try{!a&&s["return"]&&s["return"]()}finally{if(o)throw l}}return{text:r.length?"ORDER BY "+r:"",values:n}}}]),o}(p.Block),p.LimitBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._limit=null,r}return r(i,t),d(i,[{key:"limit",value:function(t){this._limit=this._sanitizeLimitOffset(t)}},{key:"_toParamString",value:function(){return{text:null!==this._limit?"LIMIT 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e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"OUTER")}},{key:"left_outer_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"LEFT OUTER")}},{key:"full_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"FULL")}},{key:"cross_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"CROSS")}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],a=!0,o=!1,l=void 0;try{for(var u,s=this._joins[Symbol.iterator]();!(a=(u=s.next()).done);a=!0){var f=u.value,c=f.type,h=f.table,v=f.alias,d=f.condition;r=i(r,this.options.separator);var y=void 0;if(h instanceof p.BaseBuilder){var g=h._toParamString({buildParameterized:e.buildParameterized,nested:!0});n.push.apply(n,t(g.values)),y=g.text}else y=this._formatTableName(h);if(r+=c+" JOIN "+y,v&&(r+=" "+this._formatTableAlias(v)),d){r+=" ON ";var b=void 0;b=d instanceof p.Expression?d._toParamString({buildParameterized:e.buildParameterized}):this._buildString(d,[],{buildParameterized:e.buildParameterized}),r+=this._applyNestingFormatting(b.text),n.push.apply(n,t(b.values))}}}catch(m){o=!0,l=m}finally{try{!a&&s["return"]&&s["return"]()}finally{if(o)throw l}}return{text:r,values:n}}}]),o}(p.Block),p.UnionBlock=function(a){function o(t){n(this,o);var r=e(this,Object.getPrototypeOf(o).call(this,t));return r._unions=[],r}return r(o,a),d(o,[{key:"union",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?"UNION":arguments[1];t=this._sanitizeTable(t),this._unions.push({type:e,table:t})}},{key:"union_all",value:function(t){this.union(t,"UNION ALL")}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],a=!0,o=!1,l=void 0;try{for(var u,s=this._unions[Symbol.iterator]();!(a=(u=s.next()).done);a=!0){var f=u.value,c=f.type,h=f.table;r=i(r,this.options.separator);var v=void 0;if(h instanceof p.BaseBuilder){var d=h._toParamString({buildParameterized:e.buildParameterized,nested:!0});v=d.text,n.push.apply(n,t(d.values))}else r=this._formatTableName(h);r+=c+" "+v}}catch(y){o=!0,l=y}finally{try{!a&&s["return"]&&s["return"]()}finally{if(o)throw l}}return{text:r,values:n}}}]),o}(p.Block),p.QueryBuilder=function(i){function o(t,r){n(this,o);var i=e(this,Object.getPrototypeOf(o).call(this,t));i.blocks=r||[];var a=!0,l=!1,u=void 0;try{for(var s,f=i.blocks[Symbol.iterator]();!(a=(s=f.next()).done);a=!0){var c=s.value,h=c.exposedMethods();for(var v in h){var d=h[v];if(void 0!==i[v])throw new Error("Builder already has a builder method called: "+v);!function(t,e,r){i[e]=function(){for(var e=arguments.length,n=Array(e),a=0;e>a;a++)n[a]=arguments[a];return r.call.apply(r,[t].concat(n)),i}}(c,v,d)}}}catch(y){l=!0,u=y}finally{try{!a&&f["return"]&&f["return"]()}finally{if(l)throw u}}return i}return r(o,i),d(o,[{key:"registerValueHandler",value:function(t,e){var r=!0,n=!1,i=void 0;try{for(var a,l=this.blocks[Symbol.iterator]();!(r=(a=l.next()).done);r=!0){var u=a.value;u.registerValueHandler(t,e)}}catch(s){n=!0,i=s}finally{try{!r&&l["return"]&&l["return"]()}finally{if(n)throw i}}return v(Object.getPrototypeOf(o.prototype),"registerValueHandler",this).call(this,t,e),this}},{key:"updateOptions",value:function(t){this.options=a({},this.options,t);var e=!0,r=!1,n=void 0;try{for(var i,o=this.blocks[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){var l=i.value;l.options=a({},l.options,t)}}catch(u){r=!0,n=u}finally{try{!e&&o["return"]&&o["return"]()}finally{if(r)throw n}}}},{key:"_toParamString",value:function(){var e,r=this,n=arguments.length<=0||void 0===arguments[0]?{}:arguments[0];n=a({},this.options,n);var i=this.blocks.map(function(t){return t._toParamString({buildParameterized:n.buildParameterized,queryBuilder:r})}),o=i.map(function(t){return t.text}),l=i.map(function(t){return t.values}),u=o.filter(function(t){return 0<t.length}).join(n.separator),s=(e=[]).concat.apply(e,t(l));return n.nested||n.numberedParameters&&!function(){var t=void 0!==n.numberedParametersStartAt?n.numberedParametersStartAt:1,e=n.parameterCharacter.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&");u=u.replace(new RegExp(e,"g"),function(){return""+n.numberedParametersPrefix+t++})}(),{text:this._applyNestingFormatting(u,!!n.nested),values:s}}},{key:"clone",value:function(){var t=this.blocks.map(function(t){return t.clone()});return new this.constructor(this.options,t)}},{key:"getBlock",value:function(t){var e=this.blocks.filter(function(e){return e instanceof t});return e[0]}}]),o}(p.BaseBuilder),p.Select=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new p.StringBlock(t,"SELECT"),new p.FunctionBlock(t),new p.DistinctBlock(t),new p.GetFieldBlock(t),new p.FromTableBlock(t),new p.JoinBlock(t),new p.WhereBlock(t),new p.GroupByBlock(t),new p.HavingBlock(t),new p.OrderByBlock(t),new p.LimitBlock(t),new p.OffsetBlock(t),new p.UnionBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(p.QueryBuilder),p.Update=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new p.StringBlock(t,"UPDATE"),new p.UpdateTableBlock(t),new p.SetFieldBlock(t),new p.WhereBlock(t),new p.OrderByBlock(t),new p.LimitBlock(t)],
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u=a.value;this.field(u,null,e)}}catch(s){n=!0,i=s}finally{try{!r&&o["return"]&&o["return"]()}finally{if(n)throw i}}}else for(var f in t){var c=t[f];this.field(f,c,e)}}},{key:"field",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];e=e?this._sanitizeFieldAlias(e):e,t=this._sanitizeField(t);var n=this._fields.filter(function(r){return r.name===t&&r.alias===e});return n.length?this:void this._fields.push({name:t,alias:e,options:r})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=e.queryBuilder,n=e.buildParameterized,a="",o=[],l=!0,u=!1,s=void 0;try{for(var f,c=this._fields[Symbol.iterator]();!(l=(f=c.next()).done);l=!0){var h=f.value;a=i(a,", ");var v=h.name,d=h.alias,y=h.options;if("string"==typeof v)a+=this._formatFieldName(v,y);else{var g=v._toParamString({nested:!0,buildParameterized:n});a+=g.text,o.push.apply(o,t(g.values))}d&&(a+=" AS "+this._formatFieldAlias(d))}}catch(m){u=!0,s=m}finally{try{!l&&c["return"]&&c["return"]()}finally{if(u)throw s}}if(!a.length){var b=r&&r.getBlock(p.FromTableBlock);b&&b._hasTable()&&(a="*")}return{text:a,values:o}}}]),o}(p.Block),p.AbstractSetFieldBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._reset(),r}return r(i,t),d(i,[{key:"_reset",value:function(){this._fields=[],this._values=[[]],this._valueOptions=[[]]}},{key:"_set",value:function(t,e){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];if(this._values.length>1)throw new Error("Cannot set multiple rows of fields this way.");"undefined"!=typeof e&&(e=this._sanitizeValue(e)),t=this._sanitizeField(t);var n=this._fields.indexOf(t);-1===n&&(this._fields.push(t),n=this._fields.length-1),this._values[0][n]=e,this._valueOptions[0][n]=r}},{key:"_setFields",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if("object"!==("undefined"==typeof t?"undefined":y(t)))throw new Error("Expected an object but got "+("undefined"==typeof t?"undefined":y(t)));for(var r in t)this._set(r,t[r],e)}},{key:"_setFieldsRows",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if(!l(t))throw new Error("Expected an array of objects but got "+("undefined"==typeof t?"undefined":y(t)));this._reset();for(var r=0;t.length>r;++r){var n=t[r];for(var i in n){var a=n[i];i=this._sanitizeField(i),a=this._sanitizeValue(a);var o=this._fields.indexOf(i);if(r>0&&-1===o)throw new Error("All fields in subsequent rows must match the fields in the first row");-1===o&&(this._fields.push(i),o=this._fields.length-1),l(this._values[r])||(this._values[r]=[],this._valueOptions[r]=[]),this._values[r][o]=a,this._valueOptions[r][o]=e}}}}]),i}(p.Block),p.SetFieldBlock=function(a){function o(){return n(this,o),e(this,Object.getPrototypeOf(o).apply(this,arguments))}return r(o,a),d(o,[{key:"set",value:function(t,e,r){this._set(t,e,r)}},{key:"setFields",value:function(t,e){this._setFields(t,e)}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=e.buildParameterized;if(0>=this._fields.length)throw new Error("set() needs to be called");for(var n="",a=[],o=0;o<this._fields.length;++o){n=i(n,", ");var l=this._formatFieldName(this._fields[o]),u=this._values[0][o];if("undefined"==typeof u)n+=l;else{var s=this._buildString(l+" = "+this.options.parameterCharacter,[u],{buildParameterized:r,formattingOptions:this._valueOptions[0][o]});n+=s.text,a.push.apply(a,t(s.values))}}return{text:"SET "+n,values:a}}}]),o}(p.AbstractSetFieldBlock),p.InsertFieldValueBlock=function(a){function o(){return n(this,o),e(this,Object.getPrototypeOf(o).apply(this,arguments))}return r(o,a),d(o,[{key:"set",value:function(t,e){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];this._set(t,e,r)}},{key:"setFields",value:function(t,e){this._setFields(t,e)}},{key:"setFieldsRows",value:function(t,e){this._setFieldsRows(t,e)}},{key:"_toParamString",value:function(){for(var e=this,r=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],n=r.buildParameterized,a=this._fields.map(function(t){return e._formatFieldName(t)}).join(", "),o=[],l=[],u=0;u<this._values.length;++u){o[u]="";for(var s=0;s<this._values[u].length;++s){var f=this._buildString(this.options.parameterCharacter,[this._values[u][s]],{buildParameterized:n,formattingOptions:this._valueOptions[u][s]});l.push.apply(l,t(f.values)),o[u]=i(o[u],", "),o[u]+=f.text}}return{text:a.length?"("+a+") VALUES ("+o.join("), (")+")":"",values:l}}}]),o}(p.AbstractSetFieldBlock),p.InsertFieldsFromQueryBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._fields=[],r._query=null,r}return r(i,t),d(i,[{key:"fromQuery",value:function(t,e){var r=this;this._fields=t.map(function(t){return r._sanitizeField(t)}),this._query=this._sanitizeBaseBuilder(e)}},{key:"_toParamString",value:function(){var t=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],e="",r=[];if(this._fields.length&&this._query){var n=this._query._toParamString({buildParameterized:t.buildParameterized,nested:!0}),i=n.text,a=n.values;e="("+this._fields.join(", ")+") "+this._applyNestingFormatting(i),r=a}return{text:e,values:r}}}]),i}(p.Block),p.DistinctBlock=function(t){function i(){return n(this,i),e(this,Object.getPrototypeOf(i).apply(this,arguments))}return r(i,t),d(i,[{key:"distinct",value:function(){this._useDistinct=!0}},{key:"_toParamString",value:function(){return{text:this._useDistinct?"DISTINCT":"",values:[]}}}]),i}(p.Block),p.GroupByBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._groups=[],r}return r(i,t),d(i,[{key:"group",value:function(t){this._groups.push(this._sanitizeField(t))}},{key:"_toParamString",value:function(){arguments.length<=0||void 0===arguments[0]?{}:arguments[0];return{text:this._groups.length?"GROUP BY "+this._groups.join(", "):"",values:[]}}}]),i}(p.Block),p.OffsetBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._offsets=null,r}return r(i,t),d(i,[{key:"offset",value:function(t){this._offsets=this._sanitizeLimitOffset(t)}},{key:"_toParamString",value:function(){return{text:this._offsets?"OFFSET "+this._offsets:"",values:[]}}}]),i}(p.Block),p.AbstractConditionBlock=function(i){function a(t){n(this,a);var r=e(this,Object.getPrototypeOf(a).call(this,t));return r._conditions=[],r}return r(a,i),d(a,[{key:"_condition",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];t=this._sanitizeExpression(t),this._conditions.push({expr:t,values:r})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=[],n=[],i=!0,a=!1,o=void 0;try{for(var l,u=this._conditions[Symbol.iterator]();!(i=(l=u.next()).done);i=!0){var s=l.value,f=s.expr,c=s.values,h=f instanceof p.Expression?f._toParamString({buildParameterized:e.buildParameterized}):this._buildString(f,c,{buildParameterized:e.buildParameterized});h.text.length&&r.push(h.text),n.push.apply(n,t(h.values))}}catch(v){a=!0,o=v}finally{try{!i&&u["return"]&&u["return"]()}finally{if(a)throw o}}return r.length&&(r=r.join(") AND (")),{text:r.length?this.options.verb+" ("+r+")":"",values:n}}}]),a}(p.Block),p.WhereBlock=function(t){function i(t){return n(this,i),e(this,Object.getPrototypeOf(i).call(this,a({},t,{verb:"WHERE"})))}return r(i,t),d(i,[{key:"where",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];this._condition.apply(this,[t].concat(r))}}]),i}(p.AbstractConditionBlock),p.HavingBlock=function(t){function i(t){return n(this,i),e(this,Object.getPrototypeOf(i).call(this,a({},t,{verb:"HAVING"})))}return r(i,t),d(i,[{key:"having",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];this._condition.apply(this,[t].concat(r))}}]),i}(p.AbstractConditionBlock),p.OrderByBlock=function(a){function o(t){n(this,o);var r=e(this,Object.getPrototypeOf(o).call(this,t));return r._orders=[],r}return r(o,a),d(o,[{key:"order",value:function(t,e){for(var r=arguments.length,n=Array(r>2?r-2:0),i=2;r>i;i++)n[i-2]=arguments[i];t=this._sanitizeField(t),e=void 0===e?!0:e,e=null!==e?!!e:e,this._orders.push({field:t,dir:e,values:n})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],a=!0,o=!1,l=void 0;try{for(var u,s=this._orders[Symbol.iterator]();!(a=(u=s.next()).done);a=!0){var f=u.value,c=f.field,h=f.dir,v=f.values;r=i(r,", ");var d=this._buildString(c,v,{buildParameterized:e.buildParameterized});r+=d.text,n.push.apply(n,t(d.values)),null!==h&&(r+=" "+(h?"ASC":"DESC"))}}catch(y){o=!0,l=y}finally{try{!a&&s["return"]&&s["return"]()}finally{if(o)throw l}}return{text:r.length?"ORDER BY "+r:"",values:n}}}]),o}(p.Block),p.LimitBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._limit=null,r}return r(i,t),d(i,[{key:"limit",value:function(t){this._limit=this._sanitizeLimitOffset(t)}},{key:"_toParamString",value:function(){return{text:null!==this._limit?"LIMIT "+this._limit:"",values:[]}}}]),i}(p.Block),p.JoinBlock=function(a){function o(t){n(this,o);var r=e(this,Object.getPrototypeOf(o).call(this,t));return r._joins=[],r}return r(o,a),d(o,[{key:"join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2],n=arguments.length<=3||void 0===arguments[3]?"INNER":arguments[3];t=this._sanitizeTable(t,!0),e=e?this._sanitizeTableAlias(e):e,r=r?this._sanitizeExpression(r):r,this._joins.push({type:n,table:t,alias:e,condition:r})}},{key:"left_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"LEFT")}},{key:"right_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"RIGHT")}},{key:"outer_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"OUTER")}},{key:"left_outer_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"LEFT OUTER")}},{key:"full_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"FULL")}},{key:"cross_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"CROSS")}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],a=!0,o=!1,l=void 0;try{for(var u,s=this._joins[Symbol.iterator]();!(a=(u=s.next()).done);a=!0){var f=u.value,c=f.type,h=f.table,v=f.alias,d=f.condition;r=i(r,this.options.separator);var y=void 0;if(h instanceof p.BaseBuilder){var g=h._toParamString({buildParameterized:e.buildParameterized,nested:!0});n.push.apply(n,t(g.values)),y=g.text}else y=this._formatTableName(h);if(r+=c+" JOIN "+y,v&&(r+=" "+this._formatTableAlias(v)),d){r+=" ON ";var m=void 0;m=d instanceof p.Expression?d._toParamString({buildParameterized:e.buildParameterized}):this._buildString(d,[],{buildParameterized:e.buildParameterized}),r+=this._applyNestingFormatting(m.text),n.push.apply(n,t(m.values))}}}catch(b){o=!0,l=b}finally{try{!a&&s["return"]&&s["return"]()}finally{if(o)throw l}}return{text:r,values:n}}}]),o}(p.Block),p.UnionBlock=function(a){function o(t){n(this,o);var r=e(this,Object.getPrototypeOf(o).call(this,t));return r._unions=[],r}return r(o,a),d(o,[{key:"union",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?"UNION":arguments[1];t=this._sanitizeTable(t),this._unions.push({type:e,table:t})}},{key:"union_all",value:function(t){this.union(t,"UNION ALL")}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],a=!0,o=!1,l=void 0;try{for(var u,s=this._unions[Symbol.iterator]();!(a=(u=s.next()).done);a=!0){var f=u.value,c=f.type,h=f.table;r=i(r,this.options.separator);var v=void 0;if(h instanceof p.BaseBuilder){var d=h._toParamString({buildParameterized:e.buildParameterized,nested:!0});v=d.text,n.push.apply(n,t(d.values))}else r=this._formatTableName(h);r+=c+" "+v}}catch(y){o=!0,l=y}finally{try{!a&&s["return"]&&s["return"]()}finally{if(o)throw l}}return{text:r,values:n}}}]),o}(p.Block),p.QueryBuilder=function(i){function o(t,r){n(this,o);var i=e(this,Object.getPrototypeOf(o).call(this,t));i.blocks=r||[];var a=!0,l=!1,u=void 0;try{for(var s,f=i.blocks[Symbol.iterator]();!(a=(s=f.next()).done);a=!0){var c=s.value,h=c.exposedMethods();for(var v in h){var d=h[v];if(void 0!==i[v])throw new Error("Builder already has a builder method called: "+v);!function(t,e,r){i[e]=function(){for(var e=arguments.length,n=Array(e),a=0;e>a;a++)n[a]=arguments[a];return r.call.apply(r,[t].concat(n)),i}}(c,v,d)}}}catch(y){l=!0,u=y}finally{try{!a&&f["return"]&&f["return"]()}finally{if(l)throw u}}return i}return r(o,i),d(o,[{key:"registerValueHandler",value:function(t,e){var r=!0,n=!1,i=void 0;try{for(var a,l=this.blocks[Symbol.iterator]();!(r=(a=l.next()).done);r=!0){var u=a.value;u.registerValueHandler(t,e)}}catch(s){n=!0,i=s}finally{try{!r&&l["return"]&&l["return"]()}finally{if(n)throw i}}return v(Object.getPrototypeOf(o.prototype),"registerValueHandler",this).call(this,t,e),this}},{key:"updateOptions",value:function(t){this.options=a({},this.options,t);var e=!0,r=!1,n=void 0;try{for(var i,o=this.blocks[Symbol.iterator]();!(e=(i=o.next()).done);e=!0){var l=i.value;l.options=a({},l.options,t)}}catch(u){r=!0,n=u}finally{try{!e&&o["return"]&&o["return"]()}finally{if(r)throw n}}}},{key:"_toParamString",value:function(){var e,r=this,n=arguments.length<=0||void 0===arguments[0]?{}:arguments[0];n=a({},this.options,n);var i=this.blocks.map(function(t){return t._toParamString({buildParameterized:n.buildParameterized,queryBuilder:r})}),o=i.map(function(t){return t.text}),l=i.map(function(t){return t.values}),u=o.filter(function(t){return 0<t.length}).join(n.separator),s=(e=[]).concat.apply(e,t(l));return n.nested||n.numberedParameters&&!function(){var t=void 0!==n.numberedParametersStartAt?n.numberedParametersStartAt:1,e=n.parameterCharacter.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&");u=u.replace(new RegExp(e,"g"),function(){return""+n.numberedParametersPrefix+t++})}(),{text:this._applyNestingFormatting(u,!!n.nested),values:s}}},{key:"clone",value:function(){var t=this.blocks.map(function(t){return t.clone()});return new this.constructor(this.options,t)}},{key:"getBlock",value:function(t){var e=this.blocks.filter(function(e){return e instanceof t});return e[0]}}]),o}(p.BaseBuilder),p.Select=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new p.StringBlock(t,"SELECT"),new p.FunctionBlock(t),new p.DistinctBlock(t),new p.GetFieldBlock(t),new p.FromTableBlock(t),new p.JoinBlock(t),new p.WhereBlock(t),new p.GroupByBlock(t),new p.HavingBlock(t),new p.OrderByBlock(t),new p.LimitBlock(t),new p.OffsetBlock(t),new p.UnionBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(p.QueryBuilder),p.Update=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),
+r=r||[new p.StringBlock(t,"UPDATE"),new p.UpdateTableBlock(t),new p.SetFieldBlock(t),new p.WhereBlock(t),new p.OrderByBlock(t),new p.LimitBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(p.QueryBuilder),p.Delete=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new p.StringBlock(t,"DELETE"),new p.TargetTableBlock(t),new p.FromTableBlock(a({},t,{singleTable:!0})),new p.JoinBlock(t),new p.WhereBlock(t),new p.OrderByBlock(t),new p.LimitBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(p.QueryBuilder),p.Insert=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new p.StringBlock(t,"INSERT"),new p.IntoTableBlock(t),new p.InsertFieldValueBlock(t),new p.InsertFieldsFromQueryBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(p.QueryBuilder);var g={VERSION:"5.2.0",flavour:h,expr:function(t){return new p.Expression(t)},"case":function(t,e){return new p.Case(t,e)},select:function(t,e){return new p.Select(t,e)},update:function(t,e){return new p.Update(t,e)},insert:function(t,e){return new p.Insert(t,e)},"delete":function(t,e){return new p.Delete(t,e)},str:function(){var t=new p.FunctionBlock;return t["function"].apply(t,arguments),t},registerValueHandler:p.registerValueHandler};return g.remove=g["delete"],g.cls=p,g}var v=function g(t,e,r){null===t&&(t=Function.prototype);var n=Object.getOwnPropertyDescriptor(t,e);if(void 0===n){var i=Object.getPrototypeOf(t);return null===i?void 0:g(i,e,r)}if("value"in n)return n.value;var a=n.get;if(void 0!==a)return a.call(r)},d=function(){function t(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,r,n){return r&&t(e.prototype,r),n&&t(e,n),e}}(),y="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol?"symbol":typeof t},p=h();return p.flavours={},p.useFlavour=function(){var t=arguments.length<=0||void 0===arguments[0]?null:arguments[0];if(!t)return p;if(p.flavours[t]instanceof Function){var e=h(t);return p.flavours[t].call(null,e),e.flavours=p.flavours,e.useFlavour=p.useFlavour,e}throw new Error("Flavour not available: "+t)},p});
\ No newline at end of file
diff --git a/squel.js b/squel.js
index 3c9eacf5..7011f2ed 100644
--- a/squel.js
+++ b/squel.js
@@ -275,7 +275,9 @@ function _buildSquel() {
     // The string to replace single quotes with in query strings
     singleQuoteReplacement: '\'\'',
     // String used to join individual blocks in a query when it's stringified
-    separator: ' '
+    separator: ' ',
+    // Function for formatting string values prior to insertion into query string
+    stringFormatter: null
   };
 
   // Global custom value handlers for all instances of builder
@@ -612,6 +614,11 @@ function _buildSquel() {
           } else if (value instanceof cls.BaseBuilder) {
             value = this._applyNestingFormatting(value.toString());
           } else if (typeofValue !== "number") {
+            // if it's a string and we have custom string formatting turned on then use that
+            if ('string' === typeofValue && this.options.stringFormatter) {
+              return this.options.stringFormatter(value);
+            }
+
             if (formattingOptions.dontQuote) {
               value = '' + value;
             } else {
@@ -2935,7 +2942,7 @@ function _buildSquel() {
   }(cls.QueryBuilder);
 
   var _squel = {
-    VERSION: '5.1.0',
+    VERSION: '5.2.0',
     flavour: flavour,
     expr: function expr(options) {
       return new cls.Expression(options);
diff --git a/squel.min.js b/squel.min.js
index 62dafc8a..b558f9f8 100644
--- a/squel.min.js
+++ b/squel.min.js
@@ -1,2 +1,2 @@
-/*! squel | https://github.com/hiddentao/squel | BSD license */!function(t,e){"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?module.exports=e():t.squel=e()}(this,function(){"use strict";function t(t){if(Array.isArray(t)){for(var e=0,r=Array(t.length);e<t.length;e++)r[e]=t[e];return r}return Array.from(t)}function e(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function r(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t,e){return t.length?t+e:t}function o(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];if(t&&r){var i=!0,o=!1,a=void 0;try{for(var l,u=function(){var e=l.value;"object"===("undefined"==typeof e?"undefined":p(e))&&Object.getOwnPropertyNames(e).forEach(function(r){"function"!=typeof e[r]&&(t[r]=e[r])})},s=r[Symbol.iterator]();!(i=(l=s.next()).done);i=!0)u()}catch(c){o=!0,a=c}finally{try{!i&&s["return"]&&s["return"]()}finally{if(o)throw a}}}return t}function a(t){return t&&t.constructor.prototype===Object.prototype}function l(t){return t&&t.constructor.prototype===Array.prototype}function u(t){if(t&&t.constructor&&t.constructor.toString){var e=t.constructor.toString().match(/function\s*(\w+)/);if(e&&2===e.length)return e[1]}}function s(t){if(!t)return t;if("function"==typeof t.clone)return t.clone();if(!a(t)&&!l(t))return JSON.parse(JSON.stringify(t));var e=function(){var e=new t.constructor;return Object.getOwnPropertyNames(t).forEach(function(r){"function"!=typeof 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u=o.value;this.field(u,null,e)}}catch(s){n=!0,i=s}finally{try{!r&&a["return"]&&a["return"]()}finally{if(n)throw i}}}else for(var c in t){var f=t[c];this.field(c,f,e)}}},{key:"field",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];e=e?this._sanitizeFieldAlias(e):e,t=this._sanitizeField(t);var n=this._fields.filter(function(r){return r.name===t&&r.alias===e});return n.length?this:void this._fields.push({name:t,alias:e,options:r})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=e.queryBuilder,n=e.buildParameterized,o="",a=[],l=!0,u=!1,s=void 0;try{for(var c,f=this._fields[Symbol.iterator]();!(l=(c=f.next()).done);l=!0){var h=c.value;o=i(o,", ");var v=h.name,d=h.alias,p=h.options;if("string"==typeof v)o+=this._formatFieldName(v,p);else{var g=v._toParamString({nested:!0,buildParameterized:n});o+=g.text,a.push.apply(a,t(g.values))}d&&(o+=" AS "+this._formatFieldAlias(d))}}catch(m){u=!0,s=m}finally{try{!l&&f["return"]&&f["return"]()}finally{if(u)throw s}}if(!o.length){var _=r&&r.getBlock(y.FromTableBlock);_&&_._hasTable()&&(o="*")}return{text:o,values:a}}}]),a}(y.Block),y.AbstractSetFieldBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._reset(),r}return r(i,t),d(i,[{key:"_reset",value:function(){this._fields=[],this._values=[[]],this._valueOptions=[[]]}},{key:"_set",value:function(t,e){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];if(this._values.length>1)throw new Error("Cannot set multiple rows of fields this way.");"undefined"!=typeof e&&(e=this._sanitizeValue(e)),t=this._sanitizeField(t);var n=this._fields.indexOf(t);-1===n&&(this._fields.push(t),n=this._fields.length-1),this._values[0][n]=e,this._valueOptions[0][n]=r}},{key:"_setFields",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if("object"!==("undefined"==typeof t?"undefined":p(t)))throw new Error("Expected an object but got "+("undefined"==typeof t?"undefined":p(t)));for(var r in t)this._set(r,t[r],e)}},{key:"_setFieldsRows",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if(!l(t))throw new Error("Expected an array of objects but got "+("undefined"==typeof t?"undefined":p(t)));this._reset();for(var r=0;t.length>r;++r){var n=t[r];for(var i in n){var o=n[i];i=this._sanitizeField(i),o=this._sanitizeValue(o);var a=this._fields.indexOf(i);if(r>0&&-1===a)throw new Error("All fields in subsequent rows must match the fields in the first 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(")+")":"",values:l}}}]),a}(y.AbstractSetFieldBlock),y.InsertFieldsFromQueryBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._fields=[],r._query=null,r}return r(i,t),d(i,[{key:"fromQuery",value:function(t,e){var r=this;this._fields=t.map(function(t){return r._sanitizeField(t)}),this._query=this._sanitizeBaseBuilder(e)}},{key:"_toParamString",value:function(){var t=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],e="",r=[];if(this._fields.length&&this._query){var n=this._query._toParamString({buildParameterized:t.buildParameterized,nested:!0}),i=n.text,o=n.values;e="("+this._fields.join(", ")+") "+this._applyNestingFormatting(i),r=o}return{text:e,values:r}}}]),i}(y.Block),y.DistinctBlock=function(t){function i(){return n(this,i),e(this,Object.getPrototypeOf(i).apply(this,arguments))}return 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r=e(this,Object.getPrototypeOf(o).call(this,t));return r._conditions=[],r}return r(o,i),d(o,[{key:"_condition",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];t=this._sanitizeExpression(t),this._conditions.push({expr:t,values:r})}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=[],n=[],i=!0,o=!1,a=void 0;try{for(var l,u=this._conditions[Symbol.iterator]();!(i=(l=u.next()).done);i=!0){var s=l.value,c=s.expr,f=s.values,h=c instanceof y.Expression?c._toParamString({buildParameterized:e.buildParameterized}):this._buildString(c,f,{buildParameterized:e.buildParameterized});h.text.length&&r.push(h.text),n.push.apply(n,t(h.values))}}catch(v){o=!0,a=v}finally{try{!i&&u["return"]&&u["return"]()}finally{if(o)throw a}}return r.length&&(r=r.join(") AND (")),{text:r.length?this.options.verb+" ("+r+")":"",values:n}}}]),o}(y.Block),y.WhereBlock=function(t){function i(t){return n(this,i),e(this,Object.getPrototypeOf(i).call(this,o({},t,{verb:"WHERE"})))}return r(i,t),d(i,[{key:"where",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];this._condition.apply(this,[t].concat(r))}}]),i}(y.AbstractConditionBlock),y.HavingBlock=function(t){function i(t){return n(this,i),e(this,Object.getPrototypeOf(i).call(this,o({},t,{verb:"HAVING"})))}return r(i,t),d(i,[{key:"having",value:function(t){for(var e=arguments.length,r=Array(e>1?e-1:0),n=1;e>n;n++)r[n-1]=arguments[n];this._condition.apply(this,[t].concat(r))}}]),i}(y.AbstractConditionBlock),y.OrderByBlock=function(o){function a(t){n(this,a);var r=e(this,Object.getPrototypeOf(a).call(this,t));return r._orders=[],r}return r(a,o),d(a,[{key:"order",value:function(t,e){for(var r=arguments.length,n=Array(r>2?r-2:0),i=2;r>i;i++)n[i-2]=arguments[i];t=this._sanitizeField(t),e=void 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e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"OUTER")}},{key:"left_outer_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"LEFT OUTER")}},{key:"full_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"FULL")}},{key:"cross_join",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1],r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.join(t,e,r,"CROSS")}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],o=!0,a=!1,l=void 0;try{for(var u,s=this._joins[Symbol.iterator]();!(o=(u=s.next()).done);o=!0){var c=u.value,f=c.type,h=c.table,v=c.alias,d=c.condition;r=i(r,this.options.separator);var p=void 0;if(h instanceof y.BaseBuilder){var g=h._toParamString({buildParameterized:e.buildParameterized,nested:!0});n.push.apply(n,t(g.values)),p=g.text}else p=this._formatTableName(h);if(r+=f+" JOIN "+p,v&&(r+=" "+this._formatTableAlias(v)),d){r+=" ON ";var m=void 0;m=d instanceof y.Expression?d._toParamString({buildParameterized:e.buildParameterized}):this._buildString(d,[],{buildParameterized:e.buildParameterized}),r+=this._applyNestingFormatting(m.text),n.push.apply(n,t(m.values))}}}catch(_){a=!0,l=_}finally{try{!o&&s["return"]&&s["return"]()}finally{if(a)throw l}}return{text:r,values:n}}}]),a}(y.Block),y.UnionBlock=function(o){function a(t){n(this,a);var r=e(this,Object.getPrototypeOf(a).call(this,t));return r._unions=[],r}return r(a,o),d(a,[{key:"union",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?"UNION":arguments[1];t=this._sanitizeTable(t),this._unions.push({type:e,table:t})}},{key:"union_all",value:function(t){this.union(t,"UNION ALL")}},{key:"_toParamString",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],o=!0,a=!1,l=void 0;try{for(var u,s=this._unions[Symbol.iterator]();!(o=(u=s.next()).done);o=!0){var c=u.value,f=c.type,h=c.table;r=i(r,this.options.separator);var v=void 0;if(h instanceof y.BaseBuilder){var d=h._toParamString({buildParameterized:e.buildParameterized,nested:!0});v=d.text,n.push.apply(n,t(d.values))}else r=this._formatTableName(h);r+=f+" "+v}}catch(p){a=!0,l=p}finally{try{!o&&s["return"]&&s["return"]()}finally{if(a)throw l}}return{text:r,values:n}}}]),a}(y.Block),y.QueryBuilder=function(i){function a(t,r){n(this,a);var i=e(this,Object.getPrototypeOf(a).call(this,t));i.blocks=r||[];var o=!0,l=!1,u=void 0;try{for(var s,c=i.blocks[Symbol.iterator]();!(o=(s=c.next()).done);o=!0){var f=s.value,h=f.exposedMethods();for(var v in h){var d=h[v];if(void 0!==i[v])throw new Error("Builder already has a builder method called: "+v);!function(t,e,r){i[e]=function(){for(var e=arguments.length,n=Array(e),o=0;e>o;o++)n[o]=arguments[o];return r.call.apply(r,[t].concat(n)),i}}(f,v,d)}}}catch(p){l=!0,u=p}finally{try{!o&&c["return"]&&c["return"]()}finally{if(l)throw u}}return i}return r(a,i),d(a,[{key:"registerValueHandler",value:function(t,e){var r=!0,n=!1,i=void 0;try{for(var o,l=this.blocks[Symbol.iterator]();!(r=(o=l.next()).done);r=!0){var u=o.value;u.registerValueHandler(t,e)}}catch(s){n=!0,i=s}finally{try{!r&&l["return"]&&l["return"]()}finally{if(n)throw i}}return v(Object.getPrototypeOf(a.prototype),"registerValueHandler",this).call(this,t,e),this}},{key:"updateOptions",value:function(t){this.options=o({},this.options,t);var e=!0,r=!1,n=void 0;try{for(var i,a=this.blocks[Symbol.iterator]();!(e=(i=a.next()).done);e=!0){var 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this.constructor(this.options,t)}},{key:"getBlock",value:function(t){var e=this.blocks.filter(function(e){return e instanceof t});return e[0]}}]),a}(y.BaseBuilder),y.Select=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new y.StringBlock(t,"SELECT"),new y.FunctionBlock(t),new y.DistinctBlock(t),new y.GetFieldBlock(t),new y.FromTableBlock(t),new y.JoinBlock(t),new y.WhereBlock(t),new y.GroupByBlock(t),new y.HavingBlock(t),new y.OrderByBlock(t),new y.LimitBlock(t),new y.OffsetBlock(t),new y.UnionBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(y.QueryBuilder),y.Update=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),
+r=r||[new y.StringBlock(t,"UPDATE"),new y.UpdateTableBlock(t),new y.SetFieldBlock(t),new y.WhereBlock(t),new y.OrderByBlock(t),new y.LimitBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(y.QueryBuilder),y.Delete=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new y.StringBlock(t,"DELETE"),new y.TargetTableBlock(t),new y.FromTableBlock(o({},t,{singleTable:!0})),new y.JoinBlock(t),new y.WhereBlock(t),new y.OrderByBlock(t),new y.LimitBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(y.QueryBuilder),y.Insert=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new y.StringBlock(t,"INSERT"),new y.IntoTableBlock(t),new y.InsertFieldValueBlock(t),new y.InsertFieldsFromQueryBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(y.QueryBuilder);var g={VERSION:"5.2.0",flavour:h,expr:function(t){return new y.Expression(t)},"case":function(t,e){return new y.Case(t,e)},select:function(t,e){return new y.Select(t,e)},update:function(t,e){return new y.Update(t,e)},insert:function(t,e){return new y.Insert(t,e)},"delete":function(t,e){return new y.Delete(t,e)},str:function(){var t=new y.FunctionBlock;return t["function"].apply(t,arguments),t},registerValueHandler:y.registerValueHandler};return g.remove=g["delete"],g.cls=y,g}var v=function g(t,e,r){null===t&&(t=Function.prototype);var n=Object.getOwnPropertyDescriptor(t,e);if(void 0===n){var i=Object.getPrototypeOf(t);return null===i?void 0:g(i,e,r)}if("value"in n)return n.value;var o=n.get;if(void 0!==o)return o.call(r)},d=function(){function t(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,r,n){return r&&t(e.prototype,r),n&&t(e,n),e}}(),p="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol?"symbol":typeof t},y=h();return y.flavours={},y.useFlavour=function(){var t=arguments.length<=0||void 0===arguments[0]?null:arguments[0];if(!t)return y;if(y.flavours[t]instanceof Function){var e=h(t);return y.flavours[t].call(null,e),e.flavours=y.flavours,e.useFlavour=y.useFlavour,e}throw new Error("Flavour not available: "+t)},y.flavours.mssql=function(t){var a=t.cls;a.DefaultQueryBuilderOptions.replaceSingleQuotes=!0,a.DefaultQueryBuilderOptions.autoQuoteAliasNames=!1,a.DefaultQueryBuilderOptions.numberedParametersPrefix="@",t.registerValueHandler(Date,function(t){return"'"+t.getUTCFullYear()+"-"+(t.getUTCMonth()+1)+"-"+t.getUTCDate()+" "+t.getUTCHours()+":"+t.getUTCMinutes()+":"+t.getUTCSeconds()+"'"}),a.MssqlLimitOffsetTopBlock=function(t){function i(t){n(this,i);var o=e(this,Object.getPrototypeOf(i).call(this,t));o._limits=null,o._offsets=null;var l=function(t){t=this._sanitizeLimitOffset(t),this._parent._limits=t};return o.ParentBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t.options));return r._parent=t,r}return r(i,t),i}(a.Block),o.LimitBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r.limit=l,r}return r(i,t),d(i,[{key:"_toParamString",value:function(){var t="";return this._parent._limits&&this._parent._offsets&&(t="FETCH NEXT "+this._parent._limits+" ROWS ONLY"),{text:t,values:[]}}}]),i}(o.ParentBlock),o.TopBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r.top=l,r}return r(i,t),d(i,[{key:"_toParamString",value:function(){var t="";return this._parent._limits&&!this._parent._offsets&&(t="TOP ("+this._parent._limits+")"),{text:t,values:[]}}}]),i}(o.ParentBlock),o.OffsetBlock=function(t){function i(){return n(this,i),e(this,Object.getPrototypeOf(i).apply(this,arguments))}return r(i,t),d(i,[{key:"offset",value:function(t){this._parent._offsets=this._sanitizeLimitOffset(t)}},{key:"_toParamString",value:function(){var t="";return this._parent._offsets&&(t="OFFSET "+this._parent._offsets+" ROWS"),{text:t,values:[]}}}]),i}(o.ParentBlock),o}return r(i,t),d(i,[{key:"LIMIT",value:function(){return new this.LimitBlock(this)}},{key:"TOP",value:function(){return new this.TopBlock(this)}},{key:"OFFSET",value:function(){return new this.OffsetBlock(this)}}]),i}(a.Block),a.MssqlUpdateTopBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._limits=null,r.limit=r.top=function(t){r._limits=r._sanitizeLimitOffset(t)},r}return r(i,t),d(i,[{key:"_toParamString",value:function(){return{text:this._limits?"TOP ("+this._limits+")":"",values:[]}}}]),i}(a.Block),a.MssqlInsertFieldValueBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._outputs=[],r}return r(i,t),d(i,[{key:"output",value:function(t){var e=this;"string"==typeof t?this._outputs.push("INSERTED."+this._sanitizeField(t)):t.forEach(function(t){e._outputs.push("INSERTED."+e._sanitizeField(t))})}},{key:"_toParamString",value:function(t){var e=v(Object.getPrototypeOf(i.prototype),"_toParamString",this).call(this,t);if(e.text.length&&0<this._outputs.length){var r="OUTPUT "+this._outputs.join(", ")+" ",n=e.text.indexOf("VALUES");e.text=e.text.substr(0,n)+r+e.text.substr(n)}return e}}]),i}(a.InsertFieldValueBlock),a.MssqlUpdateDeleteOutputBlock=function(t){function o(t){n(this,o);var r=e(this,Object.getPrototypeOf(o).call(this,t));return r._outputs=[],r}return r(o,t),d(o,[{key:"outputs",value:function(t){for(var e in t)this.output(e,t[e])}},{key:"output",value:function(t){var e=arguments.length<=1||void 0===arguments[1]?null:arguments[1];t=this._sanitizeField(t),e=e?this._sanitizeFieldAlias(e):e,this._outputs.push({name:this.options.forDelete?"DELETED."+t:"INSERTED."+t,alias:e})}},{key:"_toParamString",value:function(t){var e="";if(this._outputs.length){var r=!0,n=!1,o=void 0;try{for(var a,l=this._outputs[Symbol.iterator]();!(r=(a=l.next()).done);r=!0){var u=a.value;e=i(e,", "),e+=u.name,u.alias&&(e+=" AS "+this._formatFieldAlias(u.alias))}}catch(s){n=!0,o=s}finally{try{!r&&l["return"]&&l["return"]()}finally{if(n)throw o}}e="OUTPUT "+e}return{text:e,values:[]}}}]),o}(a.Block),a.Select=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];n(this,i);var o=new a.MssqlLimitOffsetTopBlock(t);return r=r||[new a.StringBlock(t,"SELECT"),new a.DistinctBlock(t),o.TOP(),new a.GetFieldBlock(t),new a.FromTableBlock(t),new a.JoinBlock(t),new a.WhereBlock(t),new a.GroupByBlock(t),new a.OrderByBlock(t),o.OFFSET(),o.LIMIT(),new a.UnionBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(a.QueryBuilder),a.Update=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new a.StringBlock(t,"UPDATE"),new a.MssqlUpdateTopBlock(t),new a.UpdateTableBlock(t),new a.SetFieldBlock(t),new a.MssqlUpdateDeleteOutputBlock(t),new a.WhereBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(a.QueryBuilder),a.Delete=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new a.StringBlock(t,"DELETE"),new a.TargetTableBlock(t),new a.FromTableBlock(o({},t,{singleTable:!0})),new a.JoinBlock(t),new a.MssqlUpdateDeleteOutputBlock(o({},t,{forDelete:!0})),new a.WhereBlock(t),new a.OrderByBlock(t),new a.LimitBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(a.QueryBuilder),a.Insert=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new a.StringBlock(t,"INSERT"),new a.IntoTableBlock(t),new a.MssqlInsertFieldValueBlock(t),new a.InsertFieldsFromQueryBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(a.QueryBuilder)},y.flavours.mysql=function(o){var a=o.cls;a.MysqlOnDuplicateKeyUpdateBlock=function(o){function a(){return n(this,a),e(this,Object.getPrototypeOf(a).apply(this,arguments))}return r(a,o),d(a,[{key:"onDupUpdate",value:function(t,e,r){this._set(t,e,r)}},{key:"_toParamString",value:function(){for(var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r="",n=[],o=0;o<this._fields.length;++o){r=i(r,", ");var a=this._fields[o],l=this._values[0][o],u=this._valueOptions[0][o];if("undefined"==typeof l)r+=a;else{var s=this._buildString(a+" = "+this.options.parameterCharacter,[l],{buildParameterized:e.buildParameterized,formattingOptions:u});r+=s.text,n.push.apply(n,t(s.values))}}return{text:r.length?"ON DUPLICATE KEY UPDATE "+r:"",values:n}}}]),a}(a.AbstractSetFieldBlock),a.Insert=function(t){function i(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,i),r=r||[new a.StringBlock(t,"INSERT"),new a.IntoTableBlock(t),new a.InsertFieldValueBlock(t),new a.InsertFieldsFromQueryBlock(t),new a.MysqlOnDuplicateKeyUpdateBlock(t)],e(this,Object.getPrototypeOf(i).call(this,t,r))}return r(i,t),i}(a.QueryBuilder)},y.flavours.postgres=function(t){var i=t.cls;i.DefaultQueryBuilderOptions.numberedParameters=!0,i.DefaultQueryBuilderOptions.numberedParametersStartAt=1,i.DefaultQueryBuilderOptions.autoQuoteAliasNames=!1,i.DefaultQueryBuilderOptions.useAsForTableAliasNames=!0,i.ReturningBlock=function(t){function i(t){n(this,i);var r=e(this,Object.getPrototypeOf(i).call(this,t));return r._str=null,r}return r(i,t),d(i,[{key:"returning",value:function(t){this._str=this._sanitizeField(t)}},{key:"_toParamString",value:function(){return{text:this._str?"RETURNING "+this._str:"",values:[]}}}]),i}(i.Block),i.Insert=function(t){function o(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,o),r=r||[new i.StringBlock(t,"INSERT"),new i.IntoTableBlock(t),new i.InsertFieldValueBlock(t),new i.InsertFieldsFromQueryBlock(t),new i.ReturningBlock(t)],e(this,Object.getPrototypeOf(o).call(this,t,r))}return r(o,t),o}(i.QueryBuilder),i.Update=function(t){function o(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,o),r=r||[new i.StringBlock(t,"UPDATE"),new i.UpdateTableBlock(t),new i.SetFieldBlock(t),new i.FromTableBlock(t),new i.WhereBlock(t),new i.OrderByBlock(t),new i.LimitBlock(t),new i.ReturningBlock(t)],e(this,Object.getPrototypeOf(o).call(this,t,r))}return r(o,t),o}(i.QueryBuilder),i.Delete=function(t){function a(t){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return n(this,a),r=r||[new i.StringBlock(t,"DELETE"),new i.TargetTableBlock(t),new i.FromTableBlock(o({},t,{singleTable:!0})),new i.JoinBlock(t),new i.WhereBlock(t),new i.OrderByBlock(t),new i.LimitBlock(t),new i.ReturningBlock(t)],e(this,Object.getPrototypeOf(a).call(this,t,r))}return r(a,t),a}(i.QueryBuilder)},y});
\ No newline at end of file
diff --git a/src/core.js b/src/core.js
index b011562c..49e9a0fb 100644
--- a/src/core.js
+++ b/src/core.js
@@ -160,6 +160,8 @@ function _buildSquel(flavour = null) {
     singleQuoteReplacement: '\'\'',
     // String used to join individual blocks in a query when it's stringified
     separator: ' ',
+    // Function for formatting string values prior to insertion into query string
+    stringFormatter: null,
   };
 
   // Global custom value handlers for all instances of builder
@@ -470,6 +472,11 @@ function _buildSquel(flavour = null) {
           value = this._applyNestingFormatting(value.toString());
         }
         else if (typeofValue !== "number") {
+          // if it's a string and we have custom string formatting turned on then use that
+          if ('string' === typeofValue && this.options.stringFormatter) {
+            return this.options.stringFormatter(value);
+          }
+
           if (formattingOptions.dontQuote) {
             value = `${value}`;
           } else {
diff --git a/test/baseclasses.test.coffee b/test/baseclasses.test.coffee
index 9c3514f2..173bfa53 100644
--- a/test/baseclasses.test.coffee
+++ b/test/baseclasses.test.coffee
@@ -99,6 +99,7 @@ test['Default query builder options'] =
       replaceSingleQuotes: false
       singleQuoteReplacement: '\'\''
       separator: ' '
+      stringFormatter: null
     }, squel.cls.DefaultQueryBuilderOptions
 
 
@@ -646,24 +647,30 @@ test['Builder base class'] =
     'float': ->
       assert.same 1.2, @inst._formatValueForQueryString(1.2)
 
-    'string': ->
-      escapedValue = undefined
-      test.mocker.stub @inst, '_escapeValue', (str) -> escapedValue or str
+    'string':
+      'have string formatter function': ->
+        @inst.options.stringFormatter = (str) -> "N(#{str})"
+
+        assert.same "N(test)", @inst._formatValueForQueryString('test')
+
+      'default': ->
+        escapedValue = undefined
+        test.mocker.stub @inst, '_escapeValue', (str) -> escapedValue or str
 
-      assert.same "'test'", @inst._formatValueForQueryString('test')
+        assert.same "'test'", @inst._formatValueForQueryString('test')
 
-      assert.same "'test'", @inst._formatValueForQueryString('test')
-      assert.ok @inst._escapeValue.calledWithExactly('test')
-      escapedValue = 'blah'
-      assert.same "'blah'", @inst._formatValueForQueryString('test')
+        assert.same "'test'", @inst._formatValueForQueryString('test')
+        assert.ok @inst._escapeValue.calledWithExactly('test')
+        escapedValue = 'blah'
+        assert.same "'blah'", @inst._formatValueForQueryString('test')
 
-    'string - dont quote': ->
-      escapedValue = undefined
-      test.mocker.stub @inst, '_escapeValue', (str) -> escapedValue or str
+      'dont quote': ->
+        escapedValue = undefined
+        test.mocker.stub @inst, '_escapeValue', (str) -> escapedValue or str
 
-      assert.same "test", @inst._formatValueForQueryString('test', dontQuote: true )
+        assert.same "test", @inst._formatValueForQueryString('test', dontQuote: true )
 
-      assert.ok @inst._escapeValue.notCalled
+        assert.ok @inst._escapeValue.notCalled
 
     'Array - recursively calls itself on each element': ->
       spy = test.mocker.spy @inst, '_formatValueForQueryString'
diff --git a/test/mssql.test.coffee b/test/mssql.test.coffee
index a8f5ade7..810befbb 100644
--- a/test/mssql.test.coffee
+++ b/test/mssql.test.coffee
@@ -155,6 +155,7 @@ test['MSSQL flavour'] =
       replaceSingleQuotes: true
       singleQuoteReplacement: '\'\''
       separator: ' '
+      stringFormatter: null
     }, squel.cls.DefaultQueryBuilderOptions
 
 module?.exports[require('path').basename(__filename)] = test
diff --git a/test/postgres.test.coffee b/test/postgres.test.coffee
index 3b7c721e..98ce0baf 100644
--- a/test/postgres.test.coffee
+++ b/test/postgres.test.coffee
@@ -160,6 +160,7 @@ test['Postgres flavour'] =
       numberedParametersPrefix: '$'
       numberedParametersStartAt: 1
       separator: ' '
+      stringFormatter: null
     }, squel.cls.DefaultQueryBuilderOptions