Statement

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Object Hierarchy:

Description:

Content:

Properties:

• public SqlStatement structure { owned get; set; }

Static methods:

• public static Quark error_quark ()

Creation methods:

• public Statement ()
  Creates a new Statement object

Methods:

• public bool check_structure () throws Error
  Checks that this's structure is correct.
• public bool check_validity (Connection? cnc) throws Error
  If cnc is not null then checks that every object (table, field, function) used in this actually exists in cnc 's database
• public Statement copy ()
  Copy constructor
• public bool get_parameters (out Set? out_params) throws Error
  Get a new Set object which groups all the execution parameters which this needs.
• public SqlStatementType get_statement_type ()
  Get the type of statement held by this .
• public bool is_useless ()
  Tells if this is composed only of spaces (that is it has no real SQL code), and is completely useless as such.
• public bool normalize (Connection cnc) throws Error
  "Normalizes" some parts of this, see normalize for more information.
• public SqlStatement? rewrite_for_default_values (Set @params, bool remove) throws Error
  Rewrites this and creates a new SqlStatement where all the variables which are to a DEFAULT value (as returned by value_is_default) are either removed from the statement (if remove is true) or replaced by the "DEFAULT" keyword (if remove is false).
• public string serialize ()
  Creates a string representing the contents of this.
• public string to_sql_extended (Connection? cnc, Set? @params, StatementSqlFlag flags, out SList<unowned Holder>? params_used) throws Error
  Renders this as an SQL statement, with some control on how it is rendered.

Signals:

• public virtual signal void checked (Connection cnc, bool checked)
  Gets emitted whenever the structure and contents of stmt have been verified (emitted after check_validity).
• public virtual signal void reset ()
  Gets emitted whenever the stmt has changed

Inherited Members: