plpy_main.h File Reference

#include "plpy_procedure.h"

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Data Structures
struct	PLyExecutionContext

Typedefs
typedef struct PLyExecutionContext	PLyExecutionContext

Functions
PLyExecutionContext *	PLy_current_execution_context (void)
MemoryContext	PLy_get_scratch_context (PLyExecutionContext *context)

Variables
PyObject *	PLy_interp_globals

Typedef Documentation

PLyExecutionContext

typedef struct PLyExecutionContext PLyExecutionContext

Function Documentation

PLy_current_execution_context()

PLyExecutionContext * PLy_current_execution_context ( void  )

extern

Definition at line 336 of file plpy_main.c.

{
    if (PLy_execution_contexts == NULL)
        elog(ERROR, "no Python function is currently executing");
 
    return PLy_execution_contexts;
}

References elog, ERROR, fb(), and PLy_execution_contexts.

Referenced by plpython_return_error_callback(), plpython_trigger_error_callback(), PLy_commit(), PLy_cursor_fetch(), PLy_cursor_iternext(), PLy_cursor_plan(), PLy_cursor_query(), PLy_input_convert(), PLy_input_from_tuple(), PLy_rollback(), PLy_spi_execute_fetch_result(), PLy_spi_execute_plan(), PLy_spi_execute_query(), PLy_spi_prepare(), PLy_traceback(), PLyDict_FromComposite(), and PLyObject_ToComposite().

PLy_get_scratch_context()

MemoryContext PLy_get_scratch_context ( PLyExecutionContext *  context )

extern

Definition at line 345 of file plpy_main.c.

{
    /*
     * A scratch context might never be needed in a given plpython procedure,
     * so allocate it on first request.
     */
    if (context->scratch_ctx == NULL)
        context->scratch_ctx =
            AllocSetContextCreate(TopTransactionContext,
                                  "PL/Python scratch context",
                                  ALLOCSET_DEFAULT_SIZES);
    return context->scratch_ctx;
}

References ALLOCSET_DEFAULT_SIZES, AllocSetContextCreate, fb(), PLyExecutionContext::scratch_ctx, and TopTransactionContext.

Referenced by PLy_input_convert(), and PLy_input_from_tuple().

Variable Documentation

PLy_interp_globals

PyObject* PLy_interp_globals

extern

Definition at line 50 of file plpy_main.c.

Referenced by _PG_init(), and PLy_procedure_compile().