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util.js
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util.js
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//utilities - used in building query strings
JazzRecord.columnNames = function(cols) {
var columns = "(";
JazzRecord.each(cols, function(colType, colName) {
columns += colName + ", ";
});
columns = columns.substr(0, columns.length - 2);
return columns + ")";
};
JazzRecord.columnValues = function(cols, data) {
var values = " VALUES(";
JazzRecord.each(cols, function(colType, colName) {
values += JazzRecord.typeValue(cols, colName, data[colName]) + ", ";
}, this);
values = values.substr(0, values.length - 2);
return values + ")";
};
JazzRecord.typeValue = function(cols, field, val) {
if(!JazzRecord.getType(val))
return "NULL";
else
switch(cols[field]) {
case "string":
case "text":
if(JazzRecord.getType(val) === "string") {
// escape single quotes and dollar signs.
// quotes are escaped for SQLite
val = val.replace(/'/g, "''");
// dollar signs are escaped for use in calling str.replace in JazzRecord.replaceAndClean()
val = val.replace(/\$/g, "$$$$");
}
return "'" + val + "'";
case "int":
case "integer":
val = parseInt(val, 10);
return JazzRecord.getType(val) === "number" ? val : 0;
case "number":
case "float":
val = parseFloat(val);
return JazzRecord.getType(val) === "number" ? val : 0;
case "bool":
if(val)
return 1;
else
return 0;
default:
return val;
}
};