SqlSelectField

Object Hierarchy:

Description:

[ CCode ( copy_function = "g_boxed_copy" , free_function = "g_boxed_free" , type_id = "gda_sql_select_field_get_type ()" ) ]
[ Compact ]
public class SqlSelectField

This structure represents a selected item in a SELECT statement (when executed, the returned data set will have one column per selected item).

Note that the table_name and field_name field parts <emphasis>will be</emphasis> overwritten by &LIBGDA;, set the value of expr->value instead.

Namespace: Gda

Package: libgda-6.0

Content:

Creation methods:

public SqlSelectField (SqlAnyPart parent)
Creates a new SqlSelectField structure and sets its parent to parent.

Methods:

public SqlSelectField copy ()
Creates a new SqlSelectField structure initiated with the values stored in this.
public void free ()
Frees a SqlSelectField structure and its members.
public string serialize ()
Creates a new string representing an expression used as field in a SELECT statement before the FROM clause.
public void take_alias (Value alias)
Sets the 'as' field's string in the SqlSelectField structure.
public void take_expr (SqlExpr expr)
Sets the expression field in the SqlSelectField structure to point to expr and modify it to sets its parent to this.
public void take_star_value (Value value)
Sets the expression field's value in the SqlSelectField structure to point to value; after this this is the owner of value.

Fields:

public unowned string @as
public unowned SqlAnyPart any
public unowned SqlExpr expr
public unowned string field_name
public unowned string table_name
public MetaDbObject validity_meta_object
public MetaTableColumn validity_meta_table_column