waterline-postgresql
Version:
PostgreSQL Adapter for Sails and Waterline
103 lines (81 loc) • 3.73 kB
JavaScript
var inherits = require('inherits');
var utils = require('../utils');
var TableCompiler = require('../../../schema/tablecompiler');
var helpers = require('../../../helpers');
var assign = require('lodash/object/assign');
// Table Compiler
// ------
function TableCompiler_Oracle() {
TableCompiler.apply(this, arguments);
}
inherits(TableCompiler_Oracle, TableCompiler);
assign(TableCompiler_Oracle.prototype, {
// Compile a rename column command.
renameColumn: function(from, to) {
return this.pushQuery({
sql: 'alter table ' + this.tableName() + ' rename column ' +
this.formatter.wrap(from) + ' to ' + this.formatter.wrap(to)
});
},
compileAdd: function(builder) {
var table = this.formatter.wrap(builder);
var columns = this.prefixArray('add column', this.getColumns(builder));
return this.pushQuery({
sql: 'alter table ' + table + ' ' + columns.join(', ')
});
},
// Adds the "create" query to the query sequence.
createQuery: function(columns, ifNot) {
var sql = 'create table ' + this.tableName() + ' (' + columns.sql.join(', ') + ')';
this.pushQuery({
// catch "name is already used by an existing object" for workaround for "if not exists"
sql: ifNot ? utils.wrapSqlWithCatch(sql, -955) : sql,
bindings: columns.bindings
});
if (this.single.comment) this.comment(this.single.comment);
},
// Compiles the comment on the table.
comment: function(comment) {
this.pushQuery('comment on table ' + this.tableName() + ' is ' + "'" + (comment || '') + "'");
},
addColumnsPrefix: 'add ',
dropColumn: function() {
var columns = helpers.normalizeArr.apply(null, arguments);
this.pushQuery('alter table ' + this.tableName() + ' drop (' + this.formatter.columnize(columns) + ')');
},
changeType: function() {
// alter table + table + ' modify ' + wrapped + '// type';
},
_indexCommand: function(type, tableName, columns) {
return this.formatter.wrap(utils.generateCombinedName(type, tableName, columns));
},
primary: function(columns) {
this.pushQuery('alter table ' + this.tableName() + " add primary key (" + this.formatter.columnize(columns) + ")");
},
dropPrimary: function() {
this.pushQuery('alter table ' + this.tableName() + ' drop primary key');
},
index: function(columns, indexName) {
indexName = indexName ? this.formatter.wrap(indexName) : this._indexCommand('index', this.tableNameRaw, columns);
this.pushQuery('create index ' + indexName + ' on ' + this.tableName() +
' (' + this.formatter.columnize(columns) + ')');
},
dropIndex: function(columns, indexName) {
indexName = indexName ? this.formatter.wrap(indexName) : this._indexCommand('index', this.tableNameRaw, columns);
this.pushQuery('drop index ' + indexName);
},
unique: function(columns, indexName) {
indexName = indexName ? this.formatter.wrap(indexName) : this._indexCommand('unique', this.tableNameRaw, columns);
this.pushQuery('alter table ' + this.tableName() + ' add constraint ' + indexName +
' unique (' + this.formatter.columnize(columns) + ')');
},
dropUnique: function(columns, indexName) {
indexName = indexName ? this.formatter.wrap(indexName) : this._indexCommand('unique', this.tableNameRaw, columns);
this.pushQuery('alter table ' + this.tableName() + ' drop constraint ' + indexName);
},
dropForeign: function(columns, indexName) {
indexName = indexName ? this.formatter.wrap(indexName) : this._indexCommand('foreign', this.tableNameRaw, columns);
this.pushQuery('alter table ' + this.tableName() + ' drop constraint ' + indexName);
}
})
module.exports = TableCompiler_Oracle;