Class SqlserverSchemaDialect
Schema management/reflection features for SQLServer.
Constants
-
string
DEFAULT_SCHEMA_NAME ¶'dbo'
Property Summary
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$_driver protected
Cake\Database\Driver
The driver instance being used.
Method Summary
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__construct() public
Constructor
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_applyTypeSpecificColumnConversion() protected
Tries to use a matching database type to convert a SQL column definition to an abstract type definition.
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_convertColumn() protected
Convert a column definition to the abstract types.
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_convertConstraintColumns() protected
Convert foreign key constraints references to a valid stringified list
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_convertOnClause() protected
Convert string on clauses to the abstract ones.
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_defaultValue() protected
Manipulate the default value.
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_foreignOnClause() protected
Generate an ON clause for a foreign key.
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_getTypeSpecificColumnSql() protected
Tries to use a matching database type to generate the SQL fragment for a single column in a table.
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_keySql() protected
Helper method for generating key SQL snippets.
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addConstraintSql() public
Generate the SQL queries needed to add foreign key constraints to the table
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columnSql() public
Generate the SQL fragment for a single column in a table.
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constraintSql() public
Generate the SQL fragments for defining table constraints.
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convertColumnDescription() public
Convert field description results into abstract schema fields.
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convertForeignKeyDescription() public
Convert a foreign key description into constraints on the Table object.
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convertIndexDescription() public
Convert an index description results into abstract schema indexes or constraints.
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convertOptionsDescription() public
Convert options data into table options.
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createTableSql() public
Generate the SQL to create a table.
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describeColumnSql() public
Generate the SQL to describe a table.
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describeForeignKeySql() public
Generate the SQL to describe the foreign keys in a table.
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describeIndexSql() public
Generate the SQL to describe the indexes in a table.
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describeOptionsSql() public
Generate the SQL to describe table options
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dropConstraintSql() public
Generate the SQL queries needed to drop foreign key constraints from the table
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dropTableSql() public
Generate the SQL to drop a table.
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indexSql() public
Generate the SQL fragment for a single index in a table.
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listTablesSql() public
Generate the SQL to list the tables and views.
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listTablesWithoutViewsSql() public
Generate the SQL to list the tables, excluding all views.
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truncateTableSql() public
Generate the SQL to truncate a table.
Method Detail
__construct() ¶ public
__construct(Cake\Database\Driver $driver)
Constructor
This constructor will connect the driver so that methods like columnSql() and others will fail when the driver has not been connected.
Parameters
-
Cake\Database\Driver
$driver The driver to use.
_applyTypeSpecificColumnConversion() ¶ protected
_applyTypeSpecificColumnConversion(string $columnType, array $definition): array|null
Tries to use a matching database type to convert a SQL column definition to an abstract type definition.
Parameters
-
string
$columnType The column type.
-
array
$definition The column definition.
Returns
array|null
_convertColumn() ¶ protected
_convertColumn(string $col, int|null $length = null, int|null $precision = null, int|null $scale = null): array<string, mixed>
Convert a column definition to the abstract types.
The returned type will be a type that Cake\Database\TypeFactory can handle.
Parameters
-
string
$col The column type
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int|null
$length optional the column length
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int|null
$precision optional The column precision
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int|null
$scale optional The column scale
Returns
array<string, mixed>
Links
_convertConstraintColumns() ¶ protected
_convertConstraintColumns(array<string>|string $references): string
Convert foreign key constraints references to a valid stringified list
Parameters
-
array<string>|string
$references The referenced columns of a foreign key constraint statement
Returns
string
_convertOnClause() ¶ protected
_convertOnClause(string $clause): string
Convert string on clauses to the abstract ones.
Parameters
-
string
$clause
Returns
string
_defaultValue() ¶ protected
_defaultValue(string $type, string|null $default): string|int|null
Manipulate the default value.
Removes () wrapping default values, extracts strings from N'' wrappers and collation text and converts NULL strings.
Parameters
-
string
$type The schema type
-
string|null
$default The default value.
Returns
string|int|null
_foreignOnClause() ¶ protected
_foreignOnClause(string $on): string
Generate an ON clause for a foreign key.
Parameters
-
string
$on
Returns
string
_getTypeSpecificColumnSql() ¶ protected
_getTypeSpecificColumnSql(string $columnType, Cake\Database\Schema\TableSchemaInterface $schema, string $column): string|null
Tries to use a matching database type to generate the SQL fragment for a single column in a table.
Parameters
-
string
$columnType The column type.
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Cake\Database\Schema\TableSchemaInterface
$schema The table schema instance the column is in.
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string
$column The name of the column.
Returns
string|null
_keySql() ¶ protected
_keySql(string $prefix, array $data): string
Helper method for generating key SQL snippets.
Parameters
-
string
$prefix The key prefix
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array
$data Key data.
Returns
string
addConstraintSql() ¶ public
addConstraintSql(Cake\Database\Schema\TableSchema $schema): array
Generate the SQL queries needed to add foreign key constraints to the table
Parameters
-
Cake\Database\Schema\TableSchema
$schema
Returns
array
columnSql() ¶ public
columnSql(Cake\Database\Schema\TableSchema $schema, string $name): string
Generate the SQL fragment for a single column in a table.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
string
$name
Returns
string
constraintSql() ¶ public
constraintSql(Cake\Database\Schema\TableSchema $schema, string $name): string
Generate the SQL fragments for defining table constraints.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
string
$name
Returns
string
convertColumnDescription() ¶ public
convertColumnDescription(Cake\Database\Schema\TableSchema $schema, array $row): void
Convert field description results into abstract schema fields.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
array
$row
Returns
void
convertForeignKeyDescription() ¶ public
convertForeignKeyDescription(Cake\Database\Schema\TableSchema $schema, array $row): void
Convert a foreign key description into constraints on the Table object.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
array
$row
Returns
void
convertIndexDescription() ¶ public
convertIndexDescription(Cake\Database\Schema\TableSchema $schema, array $row): void
Convert an index description results into abstract schema indexes or constraints.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
array
$row
Returns
void
convertOptionsDescription() ¶ public
convertOptionsDescription(Cake\Database\Schema\TableSchema $schema, array $row): void
Convert options data into table options.
Parameters
-
Cake\Database\Schema\TableSchema
$schema Table instance.
-
array
$row The row of data.
Returns
void
createTableSql() ¶ public
createTableSql(Cake\Database\Schema\TableSchema $schema, array<string> $columns, array<string> $constraints, array<string> $indexes): array<string>
Generate the SQL to create a table.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
array<string>
$columns -
array<string>
$constraints -
array<string>
$indexes
Returns
array<string>
describeColumnSql() ¶ public
describeColumnSql(string $tableName, array<string, mixed> $config): array
Generate the SQL to describe a table.
Parameters
-
string
$tableName -
array<string, mixed>
$config
Returns
array
describeForeignKeySql() ¶ public
describeForeignKeySql(string $tableName, array<string, mixed> $config): array
Generate the SQL to describe the foreign keys in a table.
Parameters
-
string
$tableName -
array<string, mixed>
$config
Returns
array
describeIndexSql() ¶ public
describeIndexSql(string $tableName, array<string, mixed> $config): array
Generate the SQL to describe the indexes in a table.
Parameters
-
string
$tableName -
array<string, mixed>
$config
Returns
array
describeOptionsSql() ¶ public
describeOptionsSql(string $tableName, array<string, mixed> $config): array
Generate the SQL to describe table options
Parameters
-
string
$tableName Table name.
-
array<string, mixed>
$config The connection configuration.
Returns
array
dropConstraintSql() ¶ public
dropConstraintSql(Cake\Database\Schema\TableSchema $schema): array
Generate the SQL queries needed to drop foreign key constraints from the table
Parameters
-
Cake\Database\Schema\TableSchema
$schema
Returns
array
dropTableSql() ¶ public
dropTableSql(Cake\Database\Schema\TableSchema $schema): array
Generate the SQL to drop a table.
Parameters
-
Cake\Database\Schema\TableSchema
$schema Schema instance
Returns
array
indexSql() ¶ public
indexSql(Cake\Database\Schema\TableSchema $schema, string $name): string
Generate the SQL fragment for a single index in a table.
Parameters
-
Cake\Database\Schema\TableSchema
$schema -
string
$name
Returns
string
listTablesSql() ¶ public
listTablesSql(array<string, mixed> $config): array
Generate the SQL to list the tables and views.
Parameters
-
array<string, mixed>
$config The connection configuration to use for getting tables from.
Returns
array
listTablesWithoutViewsSql() ¶ public
listTablesWithoutViewsSql(array<string, mixed> $config): array<mixed>
Generate the SQL to list the tables, excluding all views.
Parameters
-
array<string, mixed>
$config The connection configuration to use for getting tables from.
Returns
array<mixed>
truncateTableSql() ¶ public
truncateTableSql(Cake\Database\Schema\TableSchema $schema): array
Generate the SQL to truncate a table.
Parameters
-
Cake\Database\Schema\TableSchema
$schema
Returns
array