LCOV - differential code coverage report
Current view: top level - contrib/ltree - ltxtquery_op.c (source / functions) Coverage Total Hit UBC CBC
Current: Differential Code Coverage HEAD vs 15 Lines: 95.3 % 43 41 2 41
Current Date: 2023-04-08 17:13:01 Functions: 83.3 % 6 5 1 5
Baseline: 15 Line coverage date bins:
Baseline Date: 2023-04-08 15:09:40 (240..) days: 95.3 % 43 41 2 41
Legend: Lines: hit not hit Function coverage date bins:
(240..) days: 83.3 % 6 5 1 5

 Age         Owner                  TLA  Line data    Source code
                                  1                 : /*
                                  2                 :  * txtquery operations with ltree
                                  3                 :  * Teodor Sigaev <teodor@stack.net>
                                  4                 :  * contrib/ltree/ltxtquery_op.c
                                  5                 :  */
                                  6                 : #include "postgres.h"
                                  7                 : 
                                  8                 : #include <ctype.h>
                                  9                 : 
                                 10                 : #include "ltree.h"
                                 11                 : #include "miscadmin.h"
                                 12                 : 
 7558 bruce                      13 CBC           3 : PG_FUNCTION_INFO_V1(ltxtq_exec);
                                 14               2 : PG_FUNCTION_INFO_V1(ltxtq_rexec);
                                 15                 : 
                                 16                 : /*
                                 17                 :  * check for boolean condition
                                 18                 :  */
                                 19                 : bool
 5050                            20           25660 : ltree_execute(ITEM *curitem, void *checkval, bool calcnot, bool (*chkcond) (void *checkval, ITEM *val))
                                 21                 : {
                                 22                 :     /* since this function recurses, it could be driven to stack overflow */
 2743 noah                       23           25660 :     check_stack_depth();
                                 24                 : 
 7558 bruce                      25           25660 :     if (curitem->type == VAL)
                                 26           14664 :         return (*chkcond) (checkval, curitem);
 3940 peter_e                    27           10996 :     else if (curitem->val == (int32) '!')
                                 28                 :     {
                                 29                 :         return calcnot ?
 7547 bruce                      30               3 :             ((ltree_execute(curitem + 1, checkval, calcnot, chkcond)) ? false : true)
 7558                            31               6 :             : true;
                                 32                 :     }
 3940 peter_e                    33           10993 :     else if (curitem->val == (int32) '&')
                                 34                 :     {
 7522 bruce                      35           10991 :         if (ltree_execute(curitem + curitem->left, checkval, calcnot, chkcond))
 7547                            36            3670 :             return ltree_execute(curitem + 1, checkval, calcnot, chkcond);
                                 37                 :         else
 7558                            38            7321 :             return false;
                                 39                 :     }
                                 40                 :     else
                                 41                 :     {                           /* |-operator */
 7547                            42               2 :         if (ltree_execute(curitem + curitem->left, checkval, calcnot, chkcond))
 7558                            43               1 :             return true;
                                 44                 :         else
 7547                            45               1 :             return ltree_execute(curitem + 1, checkval, calcnot, chkcond);
                                 46                 :     }
                                 47                 : }
                                 48                 : 
                                 49                 : typedef struct
                                 50                 : {
                                 51                 :     ltree      *node;
                                 52                 :     char       *operand;
                                 53                 : } CHKVAL;
                                 54                 : 
                                 55                 : static bool
 5050                            56           10763 : checkcondition_str(void *checkval, ITEM *val)
                                 57                 : {
 7522                            58           10763 :     ltree_level *level = LTREE_FIRST(((CHKVAL *) checkval)->node);
                                 59           10763 :     int         tlen = ((CHKVAL *) checkval)->node->numlevel;
                                 60           10763 :     char       *op = ((CHKVAL *) checkval)->operand + val->distance;
                                 61                 :     int         (*cmpptr) (const char *, const char *, size_t);
                                 62                 : 
 5396 teodor                     63           10763 :     cmpptr = (val->flag & LVAR_INCASE) ? ltree_strncasecmp : strncmp;
 7522 bruce                      64           72305 :     while (tlen > 0)
                                 65                 :     {
 6248 neilc                      66           64192 :         if (val->flag & LVAR_SUBLEXEME)
                                 67                 :         {
 7522 bruce                      68               4 :             if (compare_subnode(level, op, val->length, cmpptr, (val->flag & LVAR_ANYEND)))
 7558                            69               1 :                 return true;
                                 70                 :         }
 1165 alvherre                   71           64188 :         else if ((val->length == level->len ||
                                 72           64194 :                   (level->len > val->length && (val->flag & LVAR_ANYEND))) &&
 7522 bruce                      73           39106 :                  (*cmpptr) (op, level->name, val->length) == 0)
 7558                            74            2649 :             return true;
                                 75                 : 
                                 76           61542 :         tlen--;
 7522                            77           61542 :         level = LEVEL_NEXT(level);
                                 78                 :     }
                                 79                 : 
 7558                            80            8113 :     return false;
                                 81                 : }
                                 82                 : 
                                 83                 : Datum
 7522                            84            8680 : ltxtq_exec(PG_FUNCTION_ARGS)
                                 85                 : {
 2029 tgl                        86            8680 :     ltree      *val = PG_GETARG_LTREE_P(0);
                                 87            8680 :     ltxtquery  *query = PG_GETARG_LTXTQUERY_P(1);
                                 88                 :     CHKVAL      chkval;
                                 89                 :     bool        result;
                                 90                 : 
 7558 bruce                      91            8680 :     chkval.node = val;
                                 92            8680 :     chkval.operand = GETOPERAND(query);
                                 93                 : 
 1165 alvherre                   94            8680 :     result = ltree_execute(GETQUERY(query),
                                 95                 :                            &chkval,
                                 96                 :                            true,
                                 97                 :                            checkcondition_str);
                                 98                 : 
 7558 bruce                      99            8680 :     PG_FREE_IF_COPY(val, 0);
                                100            8680 :     PG_FREE_IF_COPY(query, 1);
                                101            8680 :     PG_RETURN_BOOL(result);
                                102                 : }
                                103                 : 
                                104                 : Datum
 7522 bruce                     105 UBC           0 : ltxtq_rexec(PG_FUNCTION_ARGS)
                                106                 : {
                                107               0 :     PG_RETURN_DATUM(DirectFunctionCall2(ltxtq_exec,
                                108                 :                                         PG_GETARG_DATUM(1),
                                109                 :                                         PG_GETARG_DATUM(0)
                                110                 :                                         ));
                                111                 : }
        

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