Creates a new #GdaSqlSelectField structure and sets its parent to parent. A
#GdaSqlSelectField is any expression in SELECT statements before the FROM clause.
a #GdaSqlStatementSelect structure
inheritance structure
alias
expression
field name part of expr if expr represents a field
table name part of expr if expr represents a field
Creates a new #GdaSqlSelectField structure initiated with the values stored in field.
Frees a #GdaSqlSelectField structure and its members.
Creates a new string representing an expression used as field in a SELECT statement before the FROM clause.
Sets the 'as' field's string in the #GdaSqlSelectField structure. alias is freed
after call this function.
a #GValue to take from
Sets the expression field's value in the #GdaSqlSelectField structure to point to value;
after this field is the owner of value.
a #GValue to take from
Creates a new #GdaSqlSelectField structure and sets its parent to parent. A
#GdaSqlSelectField is any expression in SELECT statements before the FROM clause.
a #GdaSqlStatementSelect structure
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 thewill be overwritten by &LIBGDA;,
set the value of
table_nameandfield_namefield partsexpr->value instead.