146 lines
3.0 KiB
C
146 lines
3.0 KiB
C
/* src/interfaces/ecpg/ecpglib/typename.c */
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#define POSTGRES_ECPG_INTERNAL
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#include "postgres_fe.h"
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#include "catalog/pg_type_d.h"
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#include "ecpgtype.h"
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#include "ecpglib.h"
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#include "ecpglib_extern.h"
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#include "sqltypes.h"
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#include "sql3types.h"
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/*
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* This function is used to generate the correct type names.
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*/
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const char *
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ecpg_type_name(enum ECPGttype typ)
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{
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switch (typ)
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{
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case ECPGt_char:
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case ECPGt_string:
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return "char";
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case ECPGt_unsigned_char:
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return "unsigned char";
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case ECPGt_short:
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return "short";
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case ECPGt_unsigned_short:
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return "unsigned short";
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case ECPGt_int:
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return "int";
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case ECPGt_unsigned_int:
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return "unsigned int";
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case ECPGt_long:
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return "long";
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case ECPGt_unsigned_long:
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return "unsigned long";
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case ECPGt_long_long:
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return "long long";
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case ECPGt_unsigned_long_long:
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return "unsigned long long";
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case ECPGt_float:
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return "float";
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case ECPGt_double:
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return "double";
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case ECPGt_bool:
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return "bool";
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case ECPGt_varchar:
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return "varchar";
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case ECPGt_bytea:
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return "bytea";
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case ECPGt_char_variable:
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return "char";
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case ECPGt_decimal:
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return "decimal";
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case ECPGt_numeric:
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return "numeric";
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case ECPGt_date:
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return "date";
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case ECPGt_timestamp:
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return "timestamp";
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case ECPGt_interval:
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return "interval";
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case ECPGt_const:
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return "Const";
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default:
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abort();
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}
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return ""; /* keep MSC compiler happy */
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}
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int
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ecpg_dynamic_type(Oid type)
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{
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switch (type)
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{
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case BOOLOID:
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return SQL3_BOOLEAN; /* bool */
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case INT2OID:
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return SQL3_SMALLINT; /* int2 */
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case INT4OID:
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return SQL3_INTEGER; /* int4 */
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case TEXTOID:
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return SQL3_CHARACTER; /* text */
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case FLOAT4OID:
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return SQL3_REAL; /* float4 */
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case FLOAT8OID:
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return SQL3_DOUBLE_PRECISION; /* float8 */
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case BPCHAROID:
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return SQL3_CHARACTER; /* bpchar */
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case VARCHAROID:
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return SQL3_CHARACTER_VARYING; /* varchar */
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case DATEOID:
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return SQL3_DATE_TIME_TIMESTAMP; /* date */
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case TIMEOID:
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return SQL3_DATE_TIME_TIMESTAMP; /* time */
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case TIMESTAMPOID:
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return SQL3_DATE_TIME_TIMESTAMP; /* datetime */
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case NUMERICOID:
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return SQL3_NUMERIC; /* numeric */
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default:
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return 0;
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}
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}
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int
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sqlda_dynamic_type(Oid type, enum COMPAT_MODE compat)
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{
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switch (type)
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{
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case CHAROID:
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case VARCHAROID:
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case BPCHAROID:
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case TEXTOID:
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return ECPGt_char;
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case INT2OID:
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return ECPGt_short;
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case INT4OID:
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return ECPGt_int;
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case FLOAT8OID:
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return ECPGt_double;
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case FLOAT4OID:
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return ECPGt_float;
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case NUMERICOID:
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return INFORMIX_MODE(compat) ? ECPGt_decimal : ECPGt_numeric;
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case DATEOID:
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return ECPGt_date;
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case TIMESTAMPOID:
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case TIMESTAMPTZOID:
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return ECPGt_timestamp;
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case INTERVALOID:
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return ECPGt_interval;
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case INT8OID:
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#ifdef HAVE_LONG_LONG_INT_64
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return ECPGt_long_long;
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#endif
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#ifdef HAVE_LONG_INT_64
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return ECPGt_long;
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#endif
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/* Unhandled types always return a string */
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default:
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return ECPGt_char;
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}
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}
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