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Functions
gchar * | (*GdaSqlRenderingFunc) () |
gchar * | (*GdaSqlRenderingExpr) () |
gchar * | (*GdaSqlRenderingPSpecFunc) () |
gchar * | (*GdaSqlRenderingValue) () |
gchar * | gda_statement_to_sql_real () |
Functions
GdaSqlRenderingFunc ()
gchar * (*GdaSqlRenderingFunc) (GdaSqlAnyPart *node
,GdaSqlRenderingContext *context
,GError **error
);
Function to render any GdaSqlAnyPart.
Parameters
node |
a GdaSqlAnyPart pointer, to be cast to the correct type depending on which part the function has to render |
|
context |
the rendering context |
|
error |
a place to store errors, or |
GdaSqlRenderingExpr ()
gchar * (*GdaSqlRenderingExpr) (GdaSqlExpr *expr
,GdaSqlRenderingContext *context
,gboolean *is_default
,gboolean *is_null
,GError **error
);
Rendering function type to render a GdaSqlExpr
Parameters
expr |
GdaSqlExpr to render |
|
context |
the rendering context |
|
is_default |
pointer to a gboolean which is set to TRUE if value should be considered as a default value |
|
is_null |
pointer to a gboolean which is set to TRUE if value should be considered as NULL |
|
error |
a place to store errors, or |
GdaSqlRenderingPSpecFunc ()
gchar * (*GdaSqlRenderingPSpecFunc) (GdaSqlParamSpec *pspec
,GdaSqlExpr *expr
,GdaSqlRenderingContext *context
,gboolean *is_default
,gboolean *is_null
,GError **error
);
Rendering function type to render a GdaSqlParamSpec
Parameters
pspec |
GdaSqlParamSpec to render |
|
expr |
GdaSqlExpr which may hold the default value for the parameter, or |
[allow-none] |
context |
the rendering context |
|
is_default |
pointer to a gboolean which is set to TRUE if value should be considered as a default value |
|
is_null |
pointer to a gboolean which is set to TRUE if value should be considered as NULL |
|
error |
a place to store errors, or |
GdaSqlRenderingValue ()
gchar * (*GdaSqlRenderingValue) (const GValue *value
,GdaSqlRenderingContext *context
,GError **error
);
Rendering function type to render a GValue
gda_statement_to_sql_real ()
gchar * gda_statement_to_sql_real (GdaStatement *stmt
,GdaSqlRenderingContext *context
,GError **error
);
Renders stmt
to its SQL representation, using context
to specify how each part of stmt
must
be rendered. This function is mainly used by database provider's implementations which require
to specialize some aspects of SQL rendering to be adapted to the database,'s own SQL dialect
(for example SQLite rewrites the 'FALSE' and 'TRUE' literals as '0' and 'NOT 0').
Parameters
stmt |
a GdaStatement object |
|
context |
a GdaSqlRenderingContext context |
|
error |
a place to store errors, or |
Types and Values
struct GdaSqlRenderingContext
struct GdaSqlRenderingContext { GdaStatementSqlFlag flags; GdaSet *params; GSList *params_used; GdaServerProvider *provider; /* may be NULL */ GdaConnection *cnc; /* may be NULL */ /* rendering functions */ GdaSqlRenderingValue render_value; GdaSqlRenderingPSpecFunc render_param_spec; GdaSqlRenderingExpr render_expr; GdaSqlRenderingFunc render_unknown; GdaSqlRenderingFunc render_begin; GdaSqlRenderingFunc render_rollback; GdaSqlRenderingFunc render_commit; GdaSqlRenderingFunc render_savepoint; GdaSqlRenderingFunc render_rollback_savepoint; GdaSqlRenderingFunc render_delete_savepoint; GdaSqlRenderingFunc render_select; GdaSqlRenderingFunc render_insert; GdaSqlRenderingFunc render_delete; GdaSqlRenderingFunc render_update; GdaSqlRenderingFunc render_compound; GdaSqlRenderingFunc render_field; GdaSqlRenderingFunc render_table; GdaSqlRenderingFunc render_function; GdaSqlRenderingFunc render_operation; GdaSqlRenderingFunc render_case; GdaSqlRenderingFunc render_select_field; GdaSqlRenderingFunc render_select_target; GdaSqlRenderingFunc render_select_join; GdaSqlRenderingFunc render_select_from; GdaSqlRenderingFunc render_select_order; GdaSqlRenderingFunc render_distinct; };
Specifies the context in which a GdaSqlStatement is being converted to SQL.
Members
GdaStatementSqlFlag |
Global rendering options |
|
GdaSet * |
Parameters to be used while doing the rendering |
|
GSList * |
When rendering is complete, contains the ordered list of parameters which have been used while doing the rendering. |
[element-type GdaHolder] |
GdaServerProvider * |
Pointer to the server provider to be used |
|
GdaConnection * |
Pointer to the connection to be used |
|
GdaSqlRenderingValue |
function to render a GValue |
|
GdaSqlRenderingPSpecFunc |
function to render a GdaSqlParamSpec |
|
GdaSqlRenderingExpr |
function to render a GdaSqlExpr |
|
GdaSqlRenderingFunc |
function to render a GdaSqlStatementUnknown |
|
GdaSqlRenderingFunc |
function to render a BEGIN GdaSqlStatementTransaction |
|
GdaSqlRenderingFunc |
function to render a ROLLBACK GdaSqlStatementTransaction |
|
GdaSqlRenderingFunc |
function to render a COMMIT GdaSqlStatementTransaction |
|
GdaSqlRenderingFunc |
function to render a ADD SAVEPOINT GdaSqlStatementTransaction |
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GdaSqlRenderingFunc |
function to render a ROLBACK SAVEPOINT GdaSqlStatementTransaction |
|
GdaSqlRenderingFunc |
function to render a DELETE SAVEPOINT GdaSqlStatementTransaction |
|
GdaSqlRenderingFunc |
function to render a GdaSqlStatementSelect |
|
GdaSqlRenderingFunc |
function to render a GdaSqlStatementInsert |
|
GdaSqlRenderingFunc |
function to render a GdaSqlStatementDelete |
|
GdaSqlRenderingFunc |
function to render a GdaSqlStatementUpdate |
|
GdaSqlRenderingFunc |
function to render a GdaSqlStatementCompound |
|
GdaSqlRenderingFunc |
function to render a GdaSqlField |
|
GdaSqlRenderingFunc |
function to render a GdaSqlTable |
|
GdaSqlRenderingFunc |
function to render a GdaSqlFunction |
|
GdaSqlRenderingFunc |
function to render a GdaSqlOperation |
|
GdaSqlRenderingFunc |
function to render a GdaSqlCase |
|
GdaSqlRenderingFunc |
function to render a GdaSqlSelectField |
|
GdaSqlRenderingFunc |
function to render a GdaSqlSelectTarget |
|
GdaSqlRenderingFunc |
function to render a GdaSqlSelectJoin |
|
GdaSqlRenderingFunc |
function to render a GdaSqlSelectFrom |
|
GdaSqlRenderingFunc |
function to render a GdaSqlSelectOrder |
|
GdaSqlRenderingFunc |
function to render the DISTINCT clause in a SELECT |