Line data    Source code

       1              : /* src/interfaces/ecpg/ecpglib/typename.c */
       2              : 
       3              : #define POSTGRES_ECPG_INTERNAL
       4              : #include "postgres_fe.h"
       5              : 
       6              : #include "catalog/pg_type_d.h"
       7              : #include "ecpglib.h"
       8              : #include "ecpglib_extern.h"
       9              : #include "ecpgtype.h"
      10              : #include "sql3types.h"
      11              : #include "sqltypes.h"
      12              : 
      13              : /*
      14              :  * This function is used to generate the correct type names.
      15              :  */
      16              : const char *
      17            0 : ecpg_type_name(enum ECPGttype typ)
      18              : {
      19            0 :     switch (typ)
      20              :     {
      21            0 :         case ECPGt_char:
      22              :         case ECPGt_string:
      23            0 :             return "char";
      24            0 :         case ECPGt_unsigned_char:
      25            0 :             return "unsigned char";
      26            0 :         case ECPGt_short:
      27            0 :             return "short";
      28            0 :         case ECPGt_unsigned_short:
      29            0 :             return "unsigned short";
      30            0 :         case ECPGt_int:
      31            0 :             return "int";
      32            0 :         case ECPGt_unsigned_int:
      33            0 :             return "unsigned int";
      34            0 :         case ECPGt_long:
      35            0 :             return "long";
      36            0 :         case ECPGt_unsigned_long:
      37            0 :             return "unsigned long";
      38            0 :         case ECPGt_long_long:
      39            0 :             return "long long";
      40            0 :         case ECPGt_unsigned_long_long:
      41            0 :             return "unsigned long long";
      42            0 :         case ECPGt_float:
      43            0 :             return "float";
      44            0 :         case ECPGt_double:
      45            0 :             return "double";
      46            0 :         case ECPGt_bool:
      47            0 :             return "bool";
      48            0 :         case ECPGt_varchar:
      49            0 :             return "varchar";
      50            0 :         case ECPGt_bytea:
      51            0 :             return "bytea";
      52            0 :         case ECPGt_char_variable:
      53            0 :             return "char";
      54            0 :         case ECPGt_decimal:
      55            0 :             return "decimal";
      56            0 :         case ECPGt_numeric:
      57            0 :             return "numeric";
      58            0 :         case ECPGt_date:
      59            0 :             return "date";
      60            0 :         case ECPGt_timestamp:
      61            0 :             return "timestamp";
      62            0 :         case ECPGt_interval:
      63            0 :             return "interval";
      64            0 :         case ECPGt_const:
      65            0 :             return "Const";
      66            0 :         default:
      67            0 :             abort();
      68              :     }
      69              :     return "";                    /* keep MSC compiler happy */
      70              : }
      71              : 
      72              : int
      73           76 : ecpg_dynamic_type(Oid type)
      74              : {
      75           76 :     switch (type)
      76              :     {
      77            8 :         case BOOLOID:
      78            8 :             return SQL3_BOOLEAN;    /* bool */
      79            0 :         case INT2OID:
      80            0 :             return SQL3_SMALLINT;   /* int2 */
      81            8 :         case INT4OID:
      82            8 :             return SQL3_INTEGER;    /* int4 */
      83            8 :         case TEXTOID:
      84            8 :             return SQL3_CHARACTER;  /* text */
      85            0 :         case FLOAT4OID:
      86            0 :             return SQL3_REAL;   /* float4 */
      87            8 :         case FLOAT8OID:
      88            8 :             return SQL3_DOUBLE_PRECISION;   /* float8 */
      89            8 :         case BPCHAROID:
      90            8 :             return SQL3_CHARACTER;  /* bpchar */
      91            0 :         case VARCHAROID:
      92            0 :             return SQL3_CHARACTER_VARYING;  /* varchar */
      93            8 :         case DATEOID:
      94            8 :             return SQL3_DATE_TIME_TIMESTAMP;    /* date */
      95            0 :         case TIMEOID:
      96            0 :             return SQL3_DATE_TIME_TIMESTAMP;    /* time */
      97            0 :         case TIMESTAMPOID:
      98            0 :             return SQL3_DATE_TIME_TIMESTAMP;    /* datetime */
      99            0 :         case NUMERICOID:
     100            0 :             return SQL3_NUMERIC;    /* numeric */
     101           28 :         default:
     102           28 :             return 0;
     103              :     }
     104              : }
     105              : 
     106              : int
     107          504 : sqlda_dynamic_type(Oid type, enum COMPAT_MODE compat)
     108              : {
     109          504 :     switch (type)
     110              :     {
     111          188 :         case CHAROID:
     112              :         case VARCHAROID:
     113              :         case BPCHAROID:
     114              :         case TEXTOID:
     115          188 :             return ECPGt_char;
     116            0 :         case INT2OID:
     117            0 :             return ECPGt_short;
     118          104 :         case INT4OID:
     119          104 :             return ECPGt_int;
     120           80 :         case FLOAT8OID:
     121           80 :             return ECPGt_double;
     122            0 :         case FLOAT4OID:
     123            0 :             return ECPGt_float;
     124           84 :         case NUMERICOID:
     125           84 :             return INFORMIX_MODE(compat) ? ECPGt_decimal : ECPGt_numeric;
     126            0 :         case DATEOID:
     127            0 :             return ECPGt_date;
     128            0 :         case TIMESTAMPOID:
     129              :         case TIMESTAMPTZOID:
     130            0 :             return ECPGt_timestamp;
     131            0 :         case INTERVALOID:
     132            0 :             return ECPGt_interval;
     133           48 :         case INT8OID:
     134              : #if SIZEOF_LONG == 8
     135           48 :             return ECPGt_long;
     136              : #elif SIZEOF_LONG_LONG == 8
     137              :             return ECPGt_long_long;
     138              : #else
     139              : #error "cannot find integer type of the same size as INT8OID"
     140              : #endif
     141              :             /* Unhandled types always return a string */
     142            0 :         default:
     143            0 :             return ECPGt_char;
     144              :     }
     145              : }