/* dynamic SQL test program */ #include #include exec sql include sql3types; exec sql include sqlca; exec sql include ../regression; static void error(void) { printf("\n#%ld:%s\n",sqlca.sqlcode,sqlca.sqlerrm.sqlerrmc); exit(1); } int main(int argc,char **argv) { exec sql begin declare section; int COUNT; int INTVAR; int INDEX; int INDICATOR; int TYPE,LENGTH,OCTET_LENGTH,PRECISION,SCALE,RETURNED_OCTET_LENGTH; int DATETIME_INTERVAL_CODE; char NAME[120], BOOLVAR; char STRINGVAR[1024]; double DOUBLEVAR; char *QUERY; exec sql end declare section; int done=0; exec sql var BOOLVAR is bool; ECPGdebug(1, stderr); QUERY="select * from dyntest"; exec sql whenever sqlerror do error(); exec sql allocate descriptor MYDESC; exec sql connect to REGRESSDB1; exec sql create table dyntest (name char(14), d float8, i int, bignumber int8, b boolean, comment text, day date); exec sql insert into dyntest values('first entry', 14.7, 14, 123045607890, true, 'The world''''s most advanced open source database.', '1987-07-14'); exec sql insert into dyntest values('second entry', 1407.87, 1407, 987065403210, false, 'The elephant never forgets.', '1999-11-5'); exec sql prepare MYQUERY from :QUERY; exec sql declare MYCURS cursor for MYQUERY; exec sql open MYCURS; while (1) { exec sql fetch in MYCURS into sql descriptor MYDESC; if (sqlca.sqlcode) break; exec sql get descriptor MYDESC :COUNT = count; if (!done) { printf("Count %d\n",COUNT); done=1; } for (INDEX=1;INDEX<=COUNT;++INDEX) { exec sql get descriptor MYDESC value :INDEX :TYPE = type, :LENGTH = length, :OCTET_LENGTH=octet_length, :RETURNED_OCTET_LENGTH=returned_octet_length, :PRECISION = precision, :SCALE=scale, :NAME=name, :INDICATOR=indicator; printf("%2d\t%s (type: %d length: %d precision: %d scale: %d\n" "\toctet_length: %d returned_octet_length: %d)\n\t= " ,INDEX,NAME,TYPE,LENGTH,PRECISION,SCALE ,OCTET_LENGTH,RETURNED_OCTET_LENGTH); if (INDICATOR==-1) printf("NULL\n"); else switch (TYPE) { case SQL3_BOOLEAN: exec sql get descriptor MYDESC value :INDEX :BOOLVAR=data; printf("%s\n",BOOLVAR ? "true":"false"); break; case SQL3_INTEGER: case SQL3_SMALLINT: exec sql get descriptor MYDESC value :INDEX :INTVAR=data; printf("%d\n",INTVAR); break; case SQL3_DOUBLE_PRECISION: exec sql get descriptor MYDESC value :INDEX :DOUBLEVAR=data; printf("%.*f\n",PRECISION,DOUBLEVAR); break; case SQL3_DATE_TIME_TIMESTAMP: exec sql get descriptor MYDESC value :INDEX :DATETIME_INTERVAL_CODE=datetime_interval_code, :STRINGVAR=data; printf("%d \"%s\"\n",DATETIME_INTERVAL_CODE,STRINGVAR); break; case SQL3_CHARACTER: case SQL3_CHARACTER_VARYING: exec sql get descriptor MYDESC value :INDEX :STRINGVAR=data; printf("\"%s\"\n",STRINGVAR); break; default: exec sql get descriptor MYDESC value :INDEX :STRINGVAR=data; printf("<\"%s\">\n",STRINGVAR); break; } } } exec sql close MYCURS; exec sql deallocate descriptor MYDESC; return 0; }