test_custom_types.c File Reference

#include "postgres.h"
#include "fmgr.h"
#include "commands/vacuum.h"
#include "utils/builtins.h"

Include dependency graph for test_custom_types.c:

Go to the source code of this file.

Functions
	PG_FUNCTION_INFO_V1 (int_custom_in)
	PG_FUNCTION_INFO_V1 (int_custom_out)
	PG_FUNCTION_INFO_V1 (int_custom_typanalyze_false)
	PG_FUNCTION_INFO_V1 (int_custom_typanalyze_invalid)
	PG_FUNCTION_INFO_V1 (int_custom_eq)
	PG_FUNCTION_INFO_V1 (int_custom_ne)
	PG_FUNCTION_INFO_V1 (int_custom_lt)
	PG_FUNCTION_INFO_V1 (int_custom_le)
	PG_FUNCTION_INFO_V1 (int_custom_gt)
	PG_FUNCTION_INFO_V1 (int_custom_ge)
	PG_FUNCTION_INFO_V1 (int_custom_cmp)
Datum	int_custom_in (PG_FUNCTION_ARGS)
Datum	int_custom_out (PG_FUNCTION_ARGS)
Datum	int_custom_typanalyze_false (PG_FUNCTION_ARGS)
static void	int_custom_invalid_stats (VacAttrStats *stats, AnalyzeAttrFetchFunc fetchfunc, int samplerows, double totalrows)
Datum	int_custom_typanalyze_invalid (PG_FUNCTION_ARGS)
Datum	int_custom_eq (PG_FUNCTION_ARGS)
Datum	int_custom_ne (PG_FUNCTION_ARGS)
Datum	int_custom_lt (PG_FUNCTION_ARGS)
Datum	int_custom_le (PG_FUNCTION_ARGS)
Datum	int_custom_gt (PG_FUNCTION_ARGS)
Datum	int_custom_ge (PG_FUNCTION_ARGS)
Datum	int_custom_cmp (PG_FUNCTION_ARGS)

Variables
	PG_MODULE_MAGIC

Function Documentation

int_custom_cmp()

Datum int_custom_cmp

(

PG_FUNCTION_ARGS

)

Definition at line 171 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    if (arg1 < arg2)
        PG_RETURN_INT32(-1);
    else if (arg1 > arg2)
        PG_RETURN_INT32(1);
    else
        PG_RETURN_INT32(0);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_INT32.

int_custom_eq()

Datum int_custom_eq

(

PG_FUNCTION_ARGS

)

Definition at line 117 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    PG_RETURN_BOOL(arg1 == arg2);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_BOOL.

int_custom_ge()

Datum int_custom_ge

(

PG_FUNCTION_ARGS

)

Definition at line 162 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    PG_RETURN_BOOL(arg1 >= arg2);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_BOOL.

int_custom_gt()

Datum int_custom_gt

(

PG_FUNCTION_ARGS

)

Definition at line 153 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    PG_RETURN_BOOL(arg1 > arg2);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_BOOL.

int_custom_in()

Datum int_custom_in

(

PG_FUNCTION_ARGS

)

Definition at line 45 of file test_custom_types.c.

{
    char       *num = PG_GETARG_CSTRING(0);
 
    PG_RETURN_INT32(pg_strtoint32_safe(num, fcinfo->context));
}

References PG_GETARG_CSTRING, PG_RETURN_INT32, and pg_strtoint32_safe().

int_custom_invalid_stats()

static void int_custom_invalid_stats ( VacAttrStats *  stats, AnalyzeAttrFetchFunc  fetchfunc, int  samplerows, double  totalrows  )

static

Definition at line 82 of file test_custom_types.c.

{
    /* We are not valid, and do not want to be. */
    stats->stats_valid = false;
}

References VacAttrStats::stats_valid.

Referenced by int_custom_typanalyze_invalid().

int_custom_le()

Datum int_custom_le

(

PG_FUNCTION_ARGS

)

Definition at line 144 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    PG_RETURN_BOOL(arg1 <= arg2);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_BOOL.

int_custom_lt()

Datum int_custom_lt

(

PG_FUNCTION_ARGS

)

Definition at line 135 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    PG_RETURN_BOOL(arg1 < arg2);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_BOOL.

int_custom_ne()

Datum int_custom_ne

(

PG_FUNCTION_ARGS

)

Definition at line 126 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    int32       arg2 = PG_GETARG_INT32(1);
 
    PG_RETURN_BOOL(arg1 != arg2);
}

References fb(), PG_GETARG_INT32, and PG_RETURN_BOOL.

int_custom_out()

Datum int_custom_out

(

PG_FUNCTION_ARGS

)

Definition at line 58 of file test_custom_types.c.

{
    int32       arg1 = PG_GETARG_INT32(0);
    char       *result = (char *) palloc(12);   /* sign, 10 digits, '\0' */
 
    pg_ltoa(arg1, result);
    PG_RETURN_CSTRING(result);
}

References fb(), palloc(), PG_GETARG_INT32, pg_ltoa(), and PG_RETURN_CSTRING.

int_custom_typanalyze_false()

Datum int_custom_typanalyze_false

(

PG_FUNCTION_ARGS

)

Definition at line 73 of file test_custom_types.c.

{
    PG_RETURN_BOOL(false);
}

References PG_RETURN_BOOL.

int_custom_typanalyze_invalid()

Datum int_custom_typanalyze_invalid

(

PG_FUNCTION_ARGS

)

Definition at line 96 of file test_custom_types.c.

{
    VacAttrStats *stats = (VacAttrStats *) PG_GETARG_POINTER(0);
 
    /* If the attstattarget column is negative, use the default value */
    if (stats->attstattarget < 0)
        stats->attstattarget = default_statistics_target;
 
    /* Buggy number, no need to care as long as it is positive */
    stats->minrows = 300;
 
    /* Set callback to compute some invalid stats */
    stats->compute_stats = int_custom_invalid_stats;
 
    PG_RETURN_BOOL(true);
}

References VacAttrStats::attstattarget, VacAttrStats::compute_stats, default_statistics_target, int_custom_invalid_stats(), VacAttrStats::minrows, PG_GETARG_POINTER, and PG_RETURN_BOOL.

PG_FUNCTION_INFO_V1() [1/11]

PG_FUNCTION_INFO_V1

(

int_custom_cmp

)

PG_FUNCTION_INFO_V1() [2/11]

PG_FUNCTION_INFO_V1

(

int_custom_eq

)

PG_FUNCTION_INFO_V1() [3/11]

PG_FUNCTION_INFO_V1

(

int_custom_ge

)

PG_FUNCTION_INFO_V1() [4/11]

PG_FUNCTION_INFO_V1

(

int_custom_gt

)

PG_FUNCTION_INFO_V1() [5/11]

PG_FUNCTION_INFO_V1

(

int_custom_in

)

PG_FUNCTION_INFO_V1() [6/11]

PG_FUNCTION_INFO_V1

(

int_custom_le

)

PG_FUNCTION_INFO_V1() [7/11]

PG_FUNCTION_INFO_V1

(

int_custom_lt

)

PG_FUNCTION_INFO_V1() [8/11]

PG_FUNCTION_INFO_V1

(

int_custom_ne

)

PG_FUNCTION_INFO_V1() [9/11]

PG_FUNCTION_INFO_V1

(

int_custom_out

)

PG_FUNCTION_INFO_V1() [10/11]

PG_FUNCTION_INFO_V1

(

int_custom_typanalyze_false

)

PG_FUNCTION_INFO_V1() [11/11]

PG_FUNCTION_INFO_V1

(

int_custom_typanalyze_invalid

)

Variable Documentation

PG_MODULE_MAGIC

PG_MODULE_MAGIC

Definition at line 24 of file test_custom_types.c.