PostgreSQL Source Code git master
Data Structures | Typedefs | Functions
bool.c File Reference
#include "postgres.h"
#include <ctype.h>
#include "common/hashfn.h"
#include "libpq/pqformat.h"
#include "utils/builtins.h"
Include dependency graph for bool.c:

Go to the source code of this file.

Data Structures

struct   BoolAggState
 

Typedefs

typedef struct BoolAggState  BoolAggState
 

Functions

bool  parse_bool (const char *value, bool *result)
 
bool  parse_bool_with_len (const char *value, size_t len, bool *result)
 
Datum  boolin (PG_FUNCTION_ARGS)
 
Datum  boolout (PG_FUNCTION_ARGS)
 
Datum  boolrecv (PG_FUNCTION_ARGS)
 
Datum  boolsend (PG_FUNCTION_ARGS)
 
Datum  booltext (PG_FUNCTION_ARGS)
 
Datum  booleq (PG_FUNCTION_ARGS)
 
Datum  boolne (PG_FUNCTION_ARGS)
 
Datum  boollt (PG_FUNCTION_ARGS)
 
Datum  boolgt (PG_FUNCTION_ARGS)
 
Datum  boolle (PG_FUNCTION_ARGS)
 
Datum  boolge (PG_FUNCTION_ARGS)
 
Datum  hashbool (PG_FUNCTION_ARGS)
 
Datum  hashboolextended (PG_FUNCTION_ARGS)
 
Datum  booland_statefunc (PG_FUNCTION_ARGS)
 
Datum  boolor_statefunc (PG_FUNCTION_ARGS)
 
static BoolAggState *  makeBoolAggState (FunctionCallInfo fcinfo)
 
Datum  bool_accum (PG_FUNCTION_ARGS)
 
Datum  bool_accum_inv (PG_FUNCTION_ARGS)
 
Datum  bool_alltrue (PG_FUNCTION_ARGS)
 
Datum  bool_anytrue (PG_FUNCTION_ARGS)
 

Typedef Documentation

◆ BoolAggState

typedef struct BoolAggState BoolAggState

Function Documentation

◆ bool_accum()

Datum bool_accum ( PG_FUNCTION_ARGS  )

Definition at line 341 of file bool.c.

342{
344
346
347 /* Create the state data on first call */
348 if (state == NULL)
349 state = makeBoolAggState(fcinfo);
350
351 if (!PG_ARGISNULL(1))
352 {
353 state->aggcount++;
354 if (PG_GETARG_BOOL(1))
355 state->aggtrue++;
356 }
357
359}
static BoolAggState * makeBoolAggState(FunctionCallInfo fcinfo)
Definition: bool.c:324
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:276
#define PG_ARGISNULL(n)
Definition: fmgr.h:209
#define PG_GETARG_BOOL(n)
Definition: fmgr.h:274
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:361
Definition: regguts.h:323

References makeBoolAggState(), PG_ARGISNULL, PG_GETARG_BOOL, PG_GETARG_POINTER, and PG_RETURN_POINTER.

◆ bool_accum_inv()

Datum bool_accum_inv ( PG_FUNCTION_ARGS  )

Definition at line 362 of file bool.c.

363{
365
367
368 /* bool_accum should have created the state data */
369 if (state == NULL)
370 elog(ERROR, "bool_accum_inv called with NULL state");
371
372 if (!PG_ARGISNULL(1))
373 {
374 state->aggcount--;
375 if (PG_GETARG_BOOL(1))
376 state->aggtrue--;
377 }
378
380}
#define ERROR
Definition: elog.h:39
#define elog(elevel,...)
Definition: elog.h:226

References elog, ERROR, PG_ARGISNULL, PG_GETARG_BOOL, PG_GETARG_POINTER, and PG_RETURN_POINTER.

◆ bool_alltrue()

Datum bool_alltrue ( PG_FUNCTION_ARGS  )

Definition at line 383 of file bool.c.

384{
386
388
389 /* if there were no non-null values, return NULL */
390 if (state == NULL || state->aggcount == 0)
392
393 /* true if all non-null values are true */
394 PG_RETURN_BOOL(state->aggtrue == state->aggcount);
395}
#define PG_RETURN_NULL()
Definition: fmgr.h:345
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:359

References PG_ARGISNULL, PG_GETARG_POINTER, PG_RETURN_BOOL, and PG_RETURN_NULL.

◆ bool_anytrue()

Datum bool_anytrue ( PG_FUNCTION_ARGS  )

Definition at line 398 of file bool.c.

399{
401
403
404 /* if there were no non-null values, return NULL */
405 if (state == NULL || state->aggcount == 0)
407
408 /* true if any non-null value is true */
409 PG_RETURN_BOOL(state->aggtrue > 0);
410}

References PG_ARGISNULL, PG_GETARG_POINTER, PG_RETURN_BOOL, and PG_RETURN_NULL.

◆ booland_statefunc()

Datum booland_statefunc ( PG_FUNCTION_ARGS  )

Definition at line 300 of file bool.c.

301{
303}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ booleq()

Datum booleq ( PG_FUNCTION_ARGS  )

Definition at line 224 of file bool.c.

225{
226 bool arg1 = PG_GETARG_BOOL(0);
227 bool arg2 = PG_GETARG_BOOL(1);
228
229 PG_RETURN_BOOL(arg1 == arg2);
230}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boolge()

Datum boolge ( PG_FUNCTION_ARGS  )

Definition at line 269 of file bool.c.

270{
271 bool arg1 = PG_GETARG_BOOL(0);
272 bool arg2 = PG_GETARG_BOOL(1);
273
274 PG_RETURN_BOOL(arg1 >= arg2);
275}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boolgt()

Datum boolgt ( PG_FUNCTION_ARGS  )

Definition at line 251 of file bool.c.

252{
253 bool arg1 = PG_GETARG_BOOL(0);
254 bool arg2 = PG_GETARG_BOOL(1);
255
256 PG_RETURN_BOOL(arg1 > arg2);
257}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boolin()

Datum boolin ( PG_FUNCTION_ARGS  )

Definition at line 127 of file bool.c.

128{
129 const char *in_str = PG_GETARG_CSTRING(0);
130 const char *str;
131 size_t len;
132 bool result;
133
134 /*
135 * Skip leading and trailing whitespace
136 */
137 str = in_str;
138 while (isspace((unsigned char) *str))
139 str++;
140
141 len = strlen(str);
142 while (len > 0 && isspace((unsigned char) str[len - 1]))
143 len--;
144
145 if (parse_bool_with_len(str, len, &result))
146 PG_RETURN_BOOL(result);
147
148 ereturn(fcinfo->context, (Datum) 0,
149 (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
150 errmsg("invalid input syntax for type %s: \"%s\"",
151 "boolean", in_str)));
152}
bool parse_bool_with_len(const char *value, size_t len, bool *result)
Definition: bool.c:37
int errcode(int sqlerrcode)
Definition: elog.c:854
int errmsg(const char *fmt,...)
Definition: elog.c:1071
#define ereturn(context, dummy_value,...)
Definition: elog.h:278
#define PG_GETARG_CSTRING(n)
Definition: fmgr.h:277
const char * str
const void size_t len
uint64_t Datum
Definition: postgres.h:70

References ereturn, errcode(), errmsg(), len, parse_bool_with_len(), PG_GETARG_CSTRING, PG_RETURN_BOOL, and str.

◆ boolle()

Datum boolle ( PG_FUNCTION_ARGS  )

Definition at line 260 of file bool.c.

261{
262 bool arg1 = PG_GETARG_BOOL(0);
263 bool arg2 = PG_GETARG_BOOL(1);
264
265 PG_RETURN_BOOL(arg1 <= arg2);
266}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boollt()

Datum boollt ( PG_FUNCTION_ARGS  )

Definition at line 242 of file bool.c.

243{
244 bool arg1 = PG_GETARG_BOOL(0);
245 bool arg2 = PG_GETARG_BOOL(1);
246
247 PG_RETURN_BOOL(arg1 < arg2);
248}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boolne()

Datum boolne ( PG_FUNCTION_ARGS  )

Definition at line 233 of file bool.c.

234{
235 bool arg1 = PG_GETARG_BOOL(0);
236 bool arg2 = PG_GETARG_BOOL(1);
237
238 PG_RETURN_BOOL(arg1 != arg2);
239}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boolor_statefunc()

Datum boolor_statefunc ( PG_FUNCTION_ARGS  )

Definition at line 312 of file bool.c.

313{
315}

References PG_GETARG_BOOL, and PG_RETURN_BOOL.

◆ boolout()

Datum boolout ( PG_FUNCTION_ARGS  )

Definition at line 158 of file bool.c.

159{
160 bool b = PG_GETARG_BOOL(0);
161 char *result = (char *) palloc(2);
162
163 result[0] = (b) ? 't' : 'f';
164 result[1] = '0円';
165 PG_RETURN_CSTRING(result);
166}
#define PG_RETURN_CSTRING(x)
Definition: fmgr.h:362
b
int b
Definition: isn.c:74
void * palloc(Size size)
Definition: mcxt.c:1365

References b, palloc(), PG_GETARG_BOOL, and PG_RETURN_CSTRING.

Referenced by ExecGetJsonValueItemString().

◆ boolrecv()

Datum boolrecv ( PG_FUNCTION_ARGS  )

Definition at line 175 of file bool.c.

176{
178 int ext;
179
180 ext = pq_getmsgbyte(buf);
181 PG_RETURN_BOOL(ext != 0);
182}
static char * buf
Definition: pg_test_fsync.c:72
int pq_getmsgbyte(StringInfo msg)
Definition: pqformat.c:399
struct StringInfoData * StringInfo
Definition: string.h:15

References buf, PG_GETARG_POINTER, PG_RETURN_BOOL, and pq_getmsgbyte().

◆ boolsend()

Datum boolsend ( PG_FUNCTION_ARGS  )

Definition at line 188 of file bool.c.

189{
190 bool arg1 = PG_GETARG_BOOL(0);
192
194 pq_sendbyte(&buf, arg1 ? 1 : 0);
196}
#define PG_RETURN_BYTEA_P(x)
Definition: fmgr.h:371
void pq_begintypsend(StringInfo buf)
Definition: pqformat.c:326
bytea * pq_endtypsend(StringInfo buf)
Definition: pqformat.c:346
static void pq_sendbyte(StringInfo buf, uint8 byt)
Definition: pqformat.h:160

References buf, PG_GETARG_BOOL, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), and pq_sendbyte().

◆ booltext()

Datum booltext ( PG_FUNCTION_ARGS  )

Definition at line 205 of file bool.c.

206{
207 bool arg1 = PG_GETARG_BOOL(0);
208 const char *str;
209
210 if (arg1)
211 str = "true";
212 else
213 str = "false";
214
216}
#define PG_RETURN_TEXT_P(x)
Definition: fmgr.h:372
text * cstring_to_text(const char *s)
Definition: varlena.c:181

References cstring_to_text(), PG_GETARG_BOOL, PG_RETURN_TEXT_P, and str.

◆ hashbool()

Datum hashbool ( PG_FUNCTION_ARGS  )

Definition at line 278 of file bool.c.

279{
280 return hash_uint32((int32) PG_GETARG_BOOL(0));
281}
int32_t int32
Definition: c.h:534
static Datum hash_uint32(uint32 k)
Definition: hashfn.h:43

References hash_uint32(), and PG_GETARG_BOOL.

◆ hashboolextended()

Datum hashboolextended ( PG_FUNCTION_ARGS  )

Definition at line 284 of file bool.c.

285{
287}
#define PG_GETARG_INT64(n)
Definition: fmgr.h:283
static Datum hash_uint32_extended(uint32 k, uint64 seed)
Definition: hashfn.h:49

References hash_uint32_extended(), PG_GETARG_BOOL, and PG_GETARG_INT64.

◆ makeBoolAggState()

static BoolAggState * makeBoolAggState ( FunctionCallInfo  fcinfo )
static

Definition at line 324 of file bool.c.

325{
327 MemoryContext agg_context;
328
329 if (!AggCheckCallContext(fcinfo, &agg_context))
330 elog(ERROR, "aggregate function called in non-aggregate context");
331
332 state = (BoolAggState *) MemoryContextAlloc(agg_context,
333 sizeof(BoolAggState));
334 state->aggcount = 0;
335 state->aggtrue = 0;
336
337 return state;
338}
void * MemoryContextAlloc(MemoryContext context, Size size)
Definition: mcxt.c:1229
int AggCheckCallContext(FunctionCallInfo fcinfo, MemoryContext *aggcontext)
Definition: nodeAgg.c:4613

References AggCheckCallContext(), elog, ERROR, and MemoryContextAlloc().

Referenced by bool_accum().

◆ parse_bool()

bool parse_bool ( const char *  value,
bool *  result 
)

Definition at line 31 of file bool.c.

32{
33 return parse_bool_with_len(value, strlen(value), result);
34}
static struct @169 value

References parse_bool_with_len(), and value.

Referenced by executeItemOptUnwrapTarget(), GrantRole(), parse_and_validate_value(), parse_basebackup_options(), parse_extension_control_file(), parse_one_reloption(), pg_decode_startup(), and ProcessStartupPacket().

◆ parse_bool_with_len()

bool parse_bool_with_len ( const char *  value,
size_t  len,
bool *  result 
)

Definition at line 37 of file bool.c.

38{
39 /* Check the most-used possibilities first. */
40 switch (*value)
41 {
42 case 't':
43 case 'T':
44 if (pg_strncasecmp(value, "true", len) == 0)
45 {
46 if (result)
47 *result = true;
48 return true;
49 }
50 break;
51 case 'f':
52 case 'F':
53 if (pg_strncasecmp(value, "false", len) == 0)
54 {
55 if (result)
56 *result = false;
57 return true;
58 }
59 break;
60 case 'y':
61 case 'Y':
62 if (pg_strncasecmp(value, "yes", len) == 0)
63 {
64 if (result)
65 *result = true;
66 return true;
67 }
68 break;
69 case 'n':
70 case 'N':
71 if (pg_strncasecmp(value, "no", len) == 0)
72 {
73 if (result)
74 *result = false;
75 return true;
76 }
77 break;
78 case 'o':
79 case 'O':
80 /* 'o' is not unique enough */
81 if (pg_strncasecmp(value, "on", (len > 2 ? len : 2)) == 0)
82 {
83 if (result)
84 *result = true;
85 return true;
86 }
87 else if (pg_strncasecmp(value, "off", (len > 2 ? len : 2)) == 0)
88 {
89 if (result)
90 *result = false;
91 return true;
92 }
93 break;
94 case '1':
95 if (len == 1)
96 {
97 if (result)
98 *result = true;
99 return true;
100 }
101 break;
102 case '0':
103 if (len == 1)
104 {
105 if (result)
106 *result = false;
107 return true;
108 }
109 break;
110 default:
111 break;
112 }
113
114 if (result)
115 *result = false; /* suppress compiler warning */
116 return false;
117}
int pg_strncasecmp(const char *s1, const char *s2, size_t n)
Definition: pgstrcasecmp.c:69

References len, pg_strncasecmp(), and value.

Referenced by boolin(), and parse_bool().

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