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q -> bq -> grn_expr's script syntax
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First, translate q into bq.
Then, translate bq into grn_expr's script syntax.
Finary, pass script syntax grn_expr to --filter option of select command.

Query expansion is disabled by this change because groonga's query
expansion is used only for --query option. Synonym related tests are
disabled for now.

TODO: Re-enable Synonyym relate tests
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kou committed Aug 13, 2012
1 parent 3d28feb commit d6e4f11
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Showing 4 changed files with 44 additions and 217 deletions.
56 changes: 43 additions & 13 deletions lib/api/2011-02-01/search.js
Expand Up @@ -82,47 +82,77 @@ function createErrorBody(options) {
};
}

function translateQueryToBooleanQuery(query) {
return "'" + query.replace(/(['\\])/g, "\\$1") + "'";
}

exports.createHandler = function(context) {
return function(request, response) {
var dummyRid = '000000000000000000000000000000000000000000000000000000000000000';
var startedAt = new Date();
var domain = new Domain(request, context);
var query = request.query.q || '';
var booleanQuery = request.query.bq || '';
var filter = null;
var filters = [];
var matchExpr = "";
var facetParameter = request.query.facet;

if (query) {
var matchIndexFields;
var queryFilters;
var queryAsBooleanQuery;

try {
queryAsBooleanQuery = translateQueryToBooleanQuery(query);
matchIndexFields = domain.indexFields.filter(function(field) {
return field.type == 'text';
});
queryFilters = matchIndexFields.map(function(field) {
var translator = new BooleanQueryTranslator(queryAsBooleanQuery);
translator.defaultField = field.columnName;
return "(" + translator.translate() + ")";
});
} catch (error) {
var body = createErrorBody({
rid: dummyRid,
message: 'Invalid q value: ' + (error.message || error)
});
return response.send(body, 400);
}
filters.push(queryFilters.join(" || "));
matchExpr = "(label " + queryAsBooleanQuery + ")";
}

if (booleanQuery) {
var translator = new BooleanQueryTranslator(booleanQuery);
translator.defaultField = "default_field_fixme"; // FIXME
translator.defaultField = "FIXME"
try {
filter = translator.translate();
filters.push(translator.translate());
} catch (error) {
var body = createErrorBody({
rid: dummyRid,
message: 'Invalid bq value: ' + (error.message || error)
});
return response.send(body, 400);
}
if (matchExpr.length > 0) {
matchExpr = "(and " + matchExpr + " " + booleanQuery + ")";
} else {
matchExpr = booleanQuery;
}
}

var matchIndexFields = domain.indexFields;
matchIndexFields = matchIndexFields.filter(function(field) {
return field.type == 'text';
filters = filters.map(function(filter) {
return "(" + filter + ")";
});
var matchColumns = matchIndexFields
.map(function(field) {
return field.columnName;
})
.join('||');
var size = parseInt(request.query.size || '10', 10);
var start = parseInt(request.query.start || '0', 10);
var filter = filters.join(" && ");
var options = {
table: domain.tableName,
query: query,
filter: filter,
limit: size,
offset: start,
match_columns: matchColumns
};

if (domain.hasSynonymsTableSync()) {
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94 changes: 0 additions & 94 deletions lib/q-translator.js

This file was deleted.

1 change: 1 addition & 0 deletions test/api-search.test.js
Expand Up @@ -356,6 +356,7 @@ suite('Search API', function() {
});

suite('with fixture and synonyms loaded', function() {
return; // TODO: Re-enable me. Disabled temporary
setup(function() {
utils.loadDumpFile(context, __dirname + '/fixture/companies/ddl.grn');
utils.loadDumpFile(context, __dirname + '/fixture/companies/data.grn');
Expand Down
110 changes: 0 additions & 110 deletions test/q-translator.test.js

This file was deleted.

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