Extract columnDataType to base connector

Author: ssh24

lib/migration.js

@@ -378,29 +378,9 @@ function mixinMigration(PostgreSQL) {
     return colDefault ? (' DEFAULT ' + colDefault) : '';
   };
 
-  /*!
-   * Find the column type for a given model property
-   *
-   * @param {String} model The model name
-   * @param {String} property The property name
-   * @returns {String} The column type
-   */
-  PostgreSQL.prototype.columnDataType = function(model, property) {
-    var columnMetadata = this.columnMetadata(model, property);
-    var colType = columnMetadata && columnMetadata.dataType;
-    if (colType) {
-      colType = colType.toUpperCase();
-    }
-    var prop = this.getModelDefinition(model).properties[property];
-    if (!prop) {
-      return null;
-    }
-    var colLength = columnMetadata && columnMetadata.dataLength || prop.length;
-    if (colType) {
-      return colType + (colLength ? '(' + colLength + ')' : '');
-    }
-
-    switch (prop.type.name) {
+  PostgreSQL.prototype.buildColumnType = function buildColumnType(propertyDefinition) {
+    var p = propertyDefinition;
+    switch (p.type.name) {
       default:
       case 'String':
       case 'JSON':