Merge pull request #3836 from BridgeAR/fix-types

Fix some data types in mssql and postgres

changelog.md

 # Next
 - [FEATURE] Add support for keyword `after` in options of a field (useful for migrations), only for MySQL. [#3166](https://github.com/sequelize/sequelize/pull/3166)
 - [FEATURE] There's a new sequelize.truncate function to truncate all tables defined through the sequelize models [#2671](https://github.com/sequelize/sequelize/pull/2671)
+- [FEATURE] Add support for MySQLs TINYTEXT, MEDIUMTEXT and LONGTEXT. [#3836](https://github.com/sequelize/sequelize/pull/3836)
 - [FIXED] Fix a case where `type` in `sequelize.query` was not being set to raw. [#3800](https://github.com/sequelize/sequelize/pull/3800)
 - [FIXED] Fix an issue where include all was not being properly expanded for self-references [#3804](https://github.com/sequelize/sequelize/issues/3804)
 - [FIXED] Fix instance.changed regression to not return false negatives for not changed null values [#3812](https://github.com/sequelize/sequelize/issues/3812)

lib/data-types.js

@@ -101,18 +101,32 @@ CHAR.prototype.toSql = function() {
   return 'CHAR(' + this._length + ')' + ((this._binary) ? ' BINARY' : '');
 };
 
-
 /**
- * An unlimited length text column
+ * An (un)limited length text column. Available lengths: `tiny`, `medium`, `long`
  * @property TEXT
  */
-var TEXT = function(options) {
+var TEXT = function(length) {
+  var options = typeof length === 'object' && length || {
+    length: length
+  };
   if (!(this instanceof TEXT)) return new TEXT(options);
+  this._length = options.length || '';
 };
 util.inherits(TEXT, ABSTRACT);
 
 TEXT.prototype.key = TEXT.key = 'TEXT';
-
+TEXT.prototype.toSql = function() {
+  switch (this._length.toLowerCase()) {
+  case 'tiny':
+    return 'TINYTEXT';
+  case 'medium':
+    return 'MEDIUMTEXT';
+  case 'long':
+    return 'LONGTEXT';
+  default:
+    return this.key;
+  }
+};
 
 var NUMBER = function(options) {
   this.options = options;

lib/dialects/mssql/data-types.js

@@ -18,6 +18,15 @@ STRING.prototype.toSql = function() {
   }
 };
 
+BaseTypes.TEXT.prototype.toSql = function() {
+  // TEXT is deprecated in mssql and it would normally be saved as a non-unicode string.
+  // Using unicode is just future proof
+  if (this._length.toLowerCase() === 'tiny') {
+    return 'NVARCHAR(256)'; // tiny text should be 2^8 < 8000
+  }
+  return 'NVARCHAR(MAX)';
+};
+
 var BOOLEAN = function() {
   if (!(this instanceof BOOLEAN)) return new BOOLEAN();
   BaseTypes.BOOLEAN.apply(this, arguments);
@@ -28,13 +37,10 @@ BOOLEAN.prototype.toSql = function() {
   return 'BIT';
 };
 
-var BLOB = function() {
-  if (!(this instanceof BLOB)) return new BLOB();
-  BaseTypes.BLOB.apply(this, arguments);
-};
-util.inherits(BLOB, BaseTypes.BLOB);
-
-BLOB.prototype.toSql = function() {
+BaseTypes.BLOB.prototype.toSql = function() {
+  if (this._length.toLowerCase() === 'tiny') {
+    return 'VARBINARY(256)'; // tiny blobs should be 2^8 < 8000
+  }
   return 'VARBINARY(MAX)';
 };
 
@@ -68,13 +74,68 @@ DATE.prototype.toSql = function() {
   return 'DATETIME2';
 };
 
+var INTEGER = function() {
+  if (!(this instanceof INTEGER)) return new INTEGER();
+  BaseTypes.INTEGER.apply(this, arguments);
+
+  // MSSQL does not support any parameters for integer
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
+};
+util.inherits(INTEGER, BaseTypes.INTEGER);
+
+var BIGINT = function() {
+  if (!(this instanceof BIGINT)) return new BIGINT();
+  BaseTypes.BIGINT.apply(this, arguments);
+
+  // MSSQL does not support any parameters for bigint
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
+};
+util.inherits(BIGINT, BaseTypes.BIGINT);
+
+var REAL = function() {
+  if (!(this instanceof REAL)) return new REAL();
+  BaseTypes.REAL.apply(this, arguments);
+
+  // MSSQL does not support any parameters for real
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
+};
+util.inherits(REAL, BaseTypes.REAL);
+
+var FLOAT = function() {
+  if (!(this instanceof FLOAT)) return new FLOAT();
+  BaseTypes.FLOAT.apply(this, arguments);
+
+  // MSSQL does only support lengths as parameter.
+  // Values between 1-24 result in 7 digits precision (4 bytes storage size)
+  // Values between 25-53 result in 15 digits precision (8 bytes storage size)
+  if (this._decimals) {
+    this._length = undefined;
+    this.options.length = undefined;
+  }
+  this._unsigned = undefined;
+  this._zerofill = undefined;
+};
+util.inherits(FLOAT, BaseTypes.FLOAT);
+
 module.exports = {
   BOOLEAN: BOOLEAN,
   STRING: STRING,
-  BLOB: BLOB,
   UUID: UUID,
   DATE: DATE,
-  NOW: NOW
+  NOW: NOW,
+  INTEGER: INTEGER,
+  BIGINT: BIGINT,
+  REAL: REAL,
+  FLOAT: FLOAT
 };
 
 _.forIn(module.exports, function (DataType, key) {

lib/dialects/mssql/index.js

@@ -45,7 +45,8 @@ MssqlDialect.prototype.supports = _.merge(_.cloneDeep(Abstract.prototype.support
     parser: false,
     type: true,
     using: false,
-  }
+  },
+  NUMERIC: true
 });
 
 MssqlDialect.prototype.Query = Query;

lib/dialects/postgres/data-types.js

@@ -17,6 +17,10 @@ STRING.prototype.toSql = function() {
   return BaseTypes.STRING.prototype.toSql.call(this);
 };
 
+BaseTypes.TEXT.prototype.toSql = function() {
+  return 'TEXT';
+};
+
 var CHAR = function() {
   if (!(this instanceof CHAR)) return new CHAR();
   BaseTypes.CHAR.apply(this, arguments);
@@ -55,10 +59,10 @@ var INTEGER = function() {
   BaseTypes.INTEGER.apply(this, arguments);
 
   // POSTGRES does not support any parameters for integer
-  this._length = null;
-  this.options.length = null;
-  this._unsigned = null;
-  this._zerofill = null;
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
 };
 util.inherits(INTEGER, BaseTypes.INTEGER);
 
@@ -67,10 +71,10 @@ var BIGINT = function() {
   BaseTypes.BIGINT.apply(this, arguments);
 
   // POSTGRES does not support any parameters for bigint
-  this._length = null;
-  this.options.length = null;
-  this._unsigned = null;
-  this._zerofill = null;
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
 };
 util.inherits(BIGINT, BaseTypes.BIGINT);
 
@@ -79,10 +83,10 @@ var REAL = function() {
   BaseTypes.REAL.apply(this, arguments);
 
   // POSTGRES does not support any parameters for real
-  this._length = null;
-  this.options.length = null;
-  this._unsigned = null;
-  this._zerofill = null;
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
 };
 util.inherits(REAL, BaseTypes.REAL);
 
@@ -91,10 +95,10 @@ var DOUBLE = function() {
   BaseTypes.DOUBLE.apply(this, arguments);
 
   // POSTGRES does not support any parameters for double
-  this._length = null;
-  this.options.length = null;
-  this._unsigned = null;
-  this._zerofill = null;
+  this._length = undefined;
+  this.options.length = undefined;
+  this._unsigned = undefined;
+  this._zerofill = undefined;
 };
 util.inherits(DOUBLE, BaseTypes.DOUBLE);
 
@@ -102,25 +106,20 @@ var FLOAT = function() {
   if (!(this instanceof FLOAT)) return new FLOAT();
   BaseTypes.FLOAT.apply(this, arguments);
 
-  // POSTGRES does not support any parameters for float
-  this._length = null;
-  this.options.length = null;
-  this._unsigned = null;
-  this._zerofill = null;
+  // POSTGRES does only support lengths as parameter.
+  // Values between 1-24 result in REAL
+  // Values between 25-53 result in DOUBLE PRECISION
+  if (this._decimals) {
+    this._length = undefined;
+    this.options.length = undefined;
+    this._decimals = undefined;
+  }
+  this._unsigned = undefined;
+  this._zerofill = undefined;
 };
 util.inherits(FLOAT, BaseTypes.FLOAT);
 
-FLOAT.prototype.toSql = function() {
-  return 'DOUBLE PRECISION';
-};
-
-var BLOB = function() {
-  if (!(this instanceof BLOB)) return new BLOB();
-  BaseTypes.BLOB.apply(this, arguments);
-};
-util.inherits(BLOB, BaseTypes.BLOB);
-
-BLOB.prototype.toSql = function() {
+BaseTypes.BLOB.prototype.toSql = function() {
   return 'BYTEA';
 };
 
@@ -131,7 +130,6 @@ module.exports = {
   DATE: DATE,
   INTEGER: INTEGER,
   BIGINT: BIGINT,
-  BLOB: BLOB,
   REAL: REAL,
   'DOUBLE PRECISION': DOUBLE,
   FLOAT: FLOAT

lib/dialects/sqlite/data-types.js

@@ -18,6 +18,10 @@ STRING.prototype.toSql = function() {
   }
 };
 
+BaseTypes.TEXT.prototype.toSql = function() {
+  return 'TEXT';
+};
+
 var CHAR = function() {
   if (!(this instanceof CHAR)) return new CHAR();
   BaseTypes.CHAR.apply(this, arguments);