Methods summary
public
string
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#
quoteSimpleTableName( string $name )
Quotes a table name for use in a query. A simple table name does not schema
prefix.
Quotes a table name for use in a query. A simple table name does not schema
prefix.
Parameters
- $name
string $name table name
Returns
string the properly quoted table name
Since
1.1.6
Overrides
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public
string
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#
quoteSimpleColumnName( string $name )
Quotes a column name for use in a query. A simple column name does not
contain prefix.
Quotes a column name for use in a query. A simple column name does not
contain prefix.
Parameters
- $name
string $name column name
Returns
string the properly quoted column name
Since
1.1.6
Overrides
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public
boolean
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#
compareTableNames( string $name1, string $name2 )
Compares two table names. The table names can be either quoted or unquoted.
This method will consider both cases.
Compares two table names. The table names can be either quoted or unquoted.
This method will consider both cases.
Parameters
- $name1
string $name1 table name 1
- $name2
string $name2 table name 2
Returns
boolean whether the two table names refer to the same table.
Overrides
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public
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#
resetSequence( CDbTableSchema $table, integer|null $value = null )
Resets the sequence value of a table's primary key. The sequence will be
reset such that the primary key of the next new row inserted will have the
specified value or max value of a primary key plus one (i.e. sequence
trimming).
Resets the sequence value of a table's primary key. The sequence will be
reset such that the primary key of the next new row inserted will have the
specified value or max value of a primary key plus one (i.e. sequence
trimming).
Parameters
- $table
CDbTableSchema
$table the table schema whose primary key sequence will be reset
- $value
integer|null $value the value for the primary key of the next new row inserted. If this is
not set, the next new row's primary key will have the max value of a primary key
plus one (i.e. sequence trimming).
Since
1.1
Overrides
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public
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#
checkIntegrity( boolean $check = true, string $schema = '' )
Enables or disables integrity check.
Enables or disables integrity check.
Parameters
- $check
boolean $check whether to turn on or off the integrity check.
- $schema
string $schema the schema of the tables. Defaults to empty string, meaning the current
or default schema.
Since
1.1
Overrides
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protected
CMysqlTableSchema
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#
loadTable( string $name )
Loads the metadata for the specified table.
Loads the metadata for the specified table.
Parameters
- $name
string $name table name
Returns
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protected
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protected
boolean
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#
findColumns( CMysqlTableSchema $table )
Collects the table column metadata.
Collects the table column metadata.
Parameters
Returns
boolean whether the table exists in the database
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protected
CDbColumnSchema
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#
createColumn( array $column )
Creates a table column.
Parameters
- $column
array $column column metadata
Returns
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protected
float
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protected
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#
findConstraints( CMysqlTableSchema $table )
Collects the foreign key column details for the given table.
Collects the foreign key column details for the given table.
Parameters
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protected
array
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#
findTableNames( string $schema = '' )
Returns all table names in the database.
Returns all table names in the database.
Parameters
- $schema
string $schema the schema of the tables. Defaults to empty string, meaning the current
or default schema. If not empty, the returned table names will be prefixed with
the schema name.
Returns
array all table names in the database.
Throws
CDbException
if current schema does not support fetching all table names
Overrides
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protected
CDbCommandBuilder
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#
createCommandBuilder( )
Creates a command builder for the database. This method overrides parent
implementation in order to create a MySQL specific command builder
Creates a command builder for the database. This method overrides parent
implementation in order to create a MySQL specific command builder
Returns
Since
1.1.13
Overrides
|
public
string
|
#
renameColumn( string $table, string $name, string $newName )
Builds a SQL statement for renaming a column.
Builds a SQL statement for renaming a column.
Parameters
- $table
string $table the table whose column is to be renamed. The name will be properly quoted
by the method.
- $name
string $name the old name of the column. The name will be properly quoted by the
method.
- $newName
string $newName the new name of the column. The name will be properly quoted by the
method.
Returns
string the SQL statement for renaming a DB column.
Throws
Since
1.1.6
Overrides
|
public
string
|
#
dropForeignKey( string $name, string $table )
Builds a SQL statement for dropping a foreign key constraint.
Builds a SQL statement for dropping a foreign key constraint.
Parameters
- $name
string $name the name of the foreign key constraint to be dropped. The name will be
properly quoted by the method.
- $table
string $table the table whose foreign is to be dropped. The name will be properly
quoted by the method.
Returns
string the SQL statement for dropping a foreign key constraint.
Since
1.1.6
Overrides
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public
string
|
#
dropPrimaryKey( string $name, string $table )
Builds a SQL statement for removing a primary key constraint to an existing
table.
Builds a SQL statement for removing a primary key constraint to an existing
table.
Parameters
- $name
string $name the name of the primary key constraint to be removed.
- $table
string $table the table that the primary key constraint will be removed from.
Returns
string the SQL statement for removing a primary key constraint from an existing table.
Since
1.1.13
Overrides
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public
string
|
#
addPrimaryKey( string $name, string $table, string|array $columns )
Builds a SQL statement for adding a primary key constraint to a table.
Builds a SQL statement for adding a primary key constraint to a table.
Parameters
- $name
string $name not used in the MySQL syntax, the primary key is always called PRIMARY and
is reserved.
- $table
string $table the table that the primary key constraint will be added to.
- $columns
string|array $columns comma separated string or array of columns that the primary key will
consist of.
Returns
string the SQL statement for adding a primary key constraint to an existing table.
Since
1.1.14
Overrides
|
Properties summary
public
array
|
$columnTypes
|
array(
'pk' => 'int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY',
'bigpk' => 'bigint(20) NOT NULL AUTO_INCREMENT PRIMARY KEY',
'string' => 'varchar(255)',
'text' => 'text',
'integer' => 'int(11)',
'bigint' => 'bigint(20)',
'float' => 'float',
'decimal' => 'decimal',
'datetime' => 'datetime',
'timestamp' => 'timestamp',
'time' => 'time',
'date' => 'date',
'binary' => 'blob',
'boolean' => 'tinyint(1)',
'money' => 'decimal(19,4)',
) |
#
the abstract column types mapped to physical column types.
the abstract column types mapped to physical column types.
Since
1.1.6
|