2014-04-15 11:43:47 -04:00
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// MySQL Query Builder & Compiler
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// ------
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2014-04-08 16:25:57 -04:00
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module.exports = function(client) {
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var inherits = require('inherits');
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var QueryBuilder = require('../../query/builder');
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var QueryCompiler = require('../../query/compiler');
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// Query Builder
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2014-04-15 11:43:47 -04:00
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// -------
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2014-04-08 16:25:57 -04:00
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// Extend the QueryBuilder base class to include the "Formatter"
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// which has been defined on the client, as well as the
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function QueryBuilder_MySQL() {
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this.client = client;
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QueryBuilder.apply(this, arguments);
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}
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inherits(QueryBuilder_MySQL, QueryBuilder);
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// Query Compiler
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2014-04-15 11:43:47 -04:00
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// -------
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2014-04-08 16:25:57 -04:00
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// Set the "Formatter" to use for the queries,
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// ensuring that all parameterized values (even across sub-queries)
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// are properly built into the same query.
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function QueryCompiler_MySQL() {
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this.formatter = new client.Formatter();
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QueryCompiler.apply(this, arguments);
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}
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2014-04-15 11:43:47 -04:00
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inherits(QueryBuilder_MySQL, QueryCompiler);
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2014-04-08 16:25:57 -04:00
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QueryBuilder_MySQL.prototype.insert = function() {
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2014-04-15 11:43:47 -04:00
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var insertData = this.single.insert;
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return 'insert into ' + this.tableName + ' ' +
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insertData.columns + ' values ' + insertData.value;
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2014-04-08 16:25:57 -04:00
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};
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QueryBuilder_MySQL.prototype.update = function() {
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var where = this.where();
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var join = this.join();
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var order = this.order();
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var limit = this.limit();
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var joinSql = join.sql ? ' ' + join.sql : '';
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var orderSql = order.sql ? ' ' + order.sql : '';
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var limitSql = limit.sql ? ' ' + limit.sql : '';
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var updateData = this.get('update');
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return 'update ' + this.tableName + joinSql + ' set ' + updateData.columns + ' ' + where.sql + orderSql + limitSql;
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};
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// Set the QueryBuilder & QueryCompiler on the client object,
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// incase anyone wants to modify things to suit their own purposes.
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client.QueryBuilder = QueryBuilder_MySQL;
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client.QueryCompiler = QueryCompiler_MySQL;
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};
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