1-- Regression tests for prepareable statements. We query the content 2-- of the pg_prepared_statements view as prepared statements are 3-- created and removed. 4SELECT name, statement, parameter_types FROM pg_prepared_statements; 5 name | statement | parameter_types 6------+-----------+----------------- 7(0 rows) 8 9PREPARE q1 AS SELECT 1 AS a; 10EXECUTE q1; 11 a 12--- 13 1 14(1 row) 15 16SELECT name, statement, parameter_types FROM pg_prepared_statements; 17 name | statement | parameter_types 18------+------------------------------+----------------- 19 q1 | PREPARE q1 AS SELECT 1 AS a; | {} 20(1 row) 21 22-- should fail 23PREPARE q1 AS SELECT 2; 24ERROR: prepared statement "q1" already exists 25-- should succeed 26DEALLOCATE q1; 27PREPARE q1 AS SELECT 2; 28EXECUTE q1; 29 ?column? 30---------- 31 2 32(1 row) 33 34PREPARE q2 AS SELECT 2 AS b; 35SELECT name, statement, parameter_types FROM pg_prepared_statements; 36 name | statement | parameter_types 37------+------------------------------+----------------- 38 q1 | PREPARE q1 AS SELECT 2; | {} 39 q2 | PREPARE q2 AS SELECT 2 AS b; | {} 40(2 rows) 41 42-- sql92 syntax 43DEALLOCATE PREPARE q1; 44SELECT name, statement, parameter_types FROM pg_prepared_statements; 45 name | statement | parameter_types 46------+------------------------------+----------------- 47 q2 | PREPARE q2 AS SELECT 2 AS b; | {} 48(1 row) 49 50DEALLOCATE PREPARE q2; 51-- the view should return the empty set again 52SELECT name, statement, parameter_types FROM pg_prepared_statements; 53 name | statement | parameter_types 54------+-----------+----------------- 55(0 rows) 56 57-- parameterized queries 58PREPARE q2(text) AS 59 SELECT datname, datistemplate, datallowconn 60 FROM pg_database WHERE datname = $1; 61EXECUTE q2('postgres'); 62 datname | datistemplate | datallowconn 63----------+---------------+-------------- 64 postgres | f | t 65(1 row) 66 67PREPARE q3(text, int, float, boolean, oid, smallint) AS 68 SELECT * FROM tenk1 WHERE string4 = $1 AND (four = $2 OR 69 ten = $3::bigint OR true = $4 OR oid = $5 OR odd = $6::int) 70 ORDER BY unique1; 71EXECUTE q3('AAAAxx', 5::smallint, 10.5::float, false, 500::oid, 4::bigint); 72 unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4 73---------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+--------- 74 2 | 2716 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 5 | CAAAAA | MAEAAA | AAAAxx 75 102 | 612 | 0 | 2 | 2 | 2 | 2 | 102 | 102 | 102 | 102 | 4 | 5 | YDAAAA | OXAAAA | AAAAxx 76 802 | 2908 | 0 | 2 | 2 | 2 | 2 | 802 | 802 | 802 | 802 | 4 | 5 | WEAAAA | WHEAAA | AAAAxx 77 902 | 1104 | 0 | 2 | 2 | 2 | 2 | 902 | 902 | 902 | 902 | 4 | 5 | SIAAAA | MQBAAA | AAAAxx 78 1002 | 2580 | 0 | 2 | 2 | 2 | 2 | 2 | 1002 | 1002 | 1002 | 4 | 5 | OMAAAA | GVDAAA | AAAAxx 79 1602 | 8148 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 1602 | 1602 | 4 | 5 | QJAAAA | KBMAAA | AAAAxx 80 1702 | 7940 | 0 | 2 | 2 | 2 | 2 | 702 | 1702 | 1702 | 1702 | 4 | 5 | MNAAAA | KTLAAA | AAAAxx 81 2102 | 6184 | 0 | 2 | 2 | 2 | 2 | 102 | 102 | 2102 | 2102 | 4 | 5 | WCAAAA | WDJAAA | AAAAxx 82 2202 | 8028 | 0 | 2 | 2 | 2 | 2 | 202 | 202 | 2202 | 2202 | 4 | 5 | SGAAAA | UWLAAA | AAAAxx 83 2302 | 7112 | 0 | 2 | 2 | 2 | 2 | 302 | 302 | 2302 | 2302 | 4 | 5 | OKAAAA | ONKAAA | AAAAxx 84 2902 | 6816 | 0 | 2 | 2 | 2 | 2 | 902 | 902 | 2902 | 2902 | 4 | 5 | QHAAAA | ECKAAA | AAAAxx 85 3202 | 7128 | 0 | 2 | 2 | 2 | 2 | 202 | 1202 | 3202 | 3202 | 4 | 5 | ETAAAA | EOKAAA | AAAAxx 86 3902 | 9224 | 0 | 2 | 2 | 2 | 2 | 902 | 1902 | 3902 | 3902 | 4 | 5 | CUAAAA | UQNAAA | AAAAxx 87 4102 | 7676 | 0 | 2 | 2 | 2 | 2 | 102 | 102 | 4102 | 4102 | 4 | 5 | UBAAAA | GJLAAA | AAAAxx 88 4202 | 6628 | 0 | 2 | 2 | 2 | 2 | 202 | 202 | 4202 | 4202 | 4 | 5 | QFAAAA | YUJAAA | AAAAxx 89 4502 | 412 | 0 | 2 | 2 | 2 | 2 | 502 | 502 | 4502 | 4502 | 4 | 5 | ERAAAA | WPAAAA | AAAAxx 90 4702 | 2520 | 0 | 2 | 2 | 2 | 2 | 702 | 702 | 4702 | 4702 | 4 | 5 | WYAAAA | YSDAAA | AAAAxx 91 4902 | 1600 | 0 | 2 | 2 | 2 | 2 | 902 | 902 | 4902 | 4902 | 4 | 5 | OGAAAA | OJCAAA | AAAAxx 92 5602 | 8796 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 602 | 5602 | 4 | 5 | MHAAAA | IANAAA | AAAAxx 93 6002 | 8932 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 1002 | 6002 | 4 | 5 | WWAAAA | OFNAAA | AAAAxx 94 6402 | 3808 | 0 | 2 | 2 | 2 | 2 | 402 | 402 | 1402 | 6402 | 4 | 5 | GMAAAA | MQFAAA | AAAAxx 95 7602 | 1040 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 2602 | 7602 | 4 | 5 | KGAAAA | AOBAAA | AAAAxx 96 7802 | 7508 | 0 | 2 | 2 | 2 | 2 | 802 | 1802 | 2802 | 7802 | 4 | 5 | COAAAA | UCLAAA | AAAAxx 97 8002 | 9980 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 3002 | 8002 | 4 | 5 | UVAAAA | WTOAAA | AAAAxx 98 8302 | 7800 | 0 | 2 | 2 | 2 | 2 | 302 | 302 | 3302 | 8302 | 4 | 5 | IHAAAA | AOLAAA | AAAAxx 99 8402 | 5708 | 0 | 2 | 2 | 2 | 2 | 402 | 402 | 3402 | 8402 | 4 | 5 | ELAAAA | OLIAAA | AAAAxx 100 8602 | 5440 | 0 | 2 | 2 | 2 | 2 | 602 | 602 | 3602 | 8602 | 4 | 5 | WSAAAA | GBIAAA | AAAAxx 101 9502 | 1812 | 0 | 2 | 2 | 2 | 2 | 502 | 1502 | 4502 | 9502 | 4 | 5 | MBAAAA | SRCAAA | AAAAxx 102 9602 | 9972 | 0 | 2 | 2 | 2 | 2 | 602 | 1602 | 4602 | 9602 | 4 | 5 | IFAAAA | OTOAAA | AAAAxx 103(29 rows) 104 105-- too few params 106EXECUTE q3('bool'); 107ERROR: wrong number of parameters for prepared statement "q3" 108DETAIL: Expected 6 parameters but got 1. 109-- too many params 110EXECUTE q3('bytea', 5::smallint, 10.5::float, false, 500::oid, 4::bigint, true); 111ERROR: wrong number of parameters for prepared statement "q3" 112DETAIL: Expected 6 parameters but got 7. 113-- wrong param types 114EXECUTE q3(5::smallint, 10.5::float, false, 500::oid, 4::bigint, 'bytea'); 115ERROR: parameter $3 of type boolean cannot be coerced to the expected type double precision 116HINT: You will need to rewrite or cast the expression. 117-- invalid type 118PREPARE q4(nonexistenttype) AS SELECT $1; 119ERROR: type "nonexistenttype" does not exist 120LINE 1: PREPARE q4(nonexistenttype) AS SELECT $1; 121 ^ 122-- create table as execute 123PREPARE q5(int, text) AS 124 SELECT * FROM tenk1 WHERE unique1 = $1 OR stringu1 = $2 125 ORDER BY unique1; 126CREATE TEMPORARY TABLE q5_prep_results AS EXECUTE q5(200, 'DTAAAA'); 127SELECT * FROM q5_prep_results; 128 unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4 129---------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+--------- 130 200 | 9441 | 0 | 0 | 0 | 0 | 0 | 200 | 200 | 200 | 200 | 0 | 1 | SHAAAA | DZNAAA | HHHHxx 131 497 | 9092 | 1 | 1 | 7 | 17 | 97 | 497 | 497 | 497 | 497 | 194 | 195 | DTAAAA | SLNAAA | AAAAxx 132 1173 | 6699 | 1 | 1 | 3 | 13 | 73 | 173 | 1173 | 1173 | 1173 | 146 | 147 | DTAAAA | RXJAAA | VVVVxx 133 1849 | 8143 | 1 | 1 | 9 | 9 | 49 | 849 | 1849 | 1849 | 1849 | 98 | 99 | DTAAAA | FBMAAA | VVVVxx 134 2525 | 64 | 1 | 1 | 5 | 5 | 25 | 525 | 525 | 2525 | 2525 | 50 | 51 | DTAAAA | MCAAAA | AAAAxx 135 3201 | 7309 | 1 | 1 | 1 | 1 | 1 | 201 | 1201 | 3201 | 3201 | 2 | 3 | DTAAAA | DVKAAA | HHHHxx 136 3877 | 4060 | 1 | 1 | 7 | 17 | 77 | 877 | 1877 | 3877 | 3877 | 154 | 155 | DTAAAA | EAGAAA | AAAAxx 137 4553 | 4113 | 1 | 1 | 3 | 13 | 53 | 553 | 553 | 4553 | 4553 | 106 | 107 | DTAAAA | FCGAAA | HHHHxx 138 5229 | 6407 | 1 | 1 | 9 | 9 | 29 | 229 | 1229 | 229 | 5229 | 58 | 59 | DTAAAA | LMJAAA | VVVVxx 139 5905 | 9537 | 1 | 1 | 5 | 5 | 5 | 905 | 1905 | 905 | 5905 | 10 | 11 | DTAAAA | VCOAAA | HHHHxx 140 6581 | 4686 | 1 | 1 | 1 | 1 | 81 | 581 | 581 | 1581 | 6581 | 162 | 163 | DTAAAA | GYGAAA | OOOOxx 141 7257 | 1895 | 1 | 1 | 7 | 17 | 57 | 257 | 1257 | 2257 | 7257 | 114 | 115 | DTAAAA | XUCAAA | VVVVxx 142 7933 | 4514 | 1 | 1 | 3 | 13 | 33 | 933 | 1933 | 2933 | 7933 | 66 | 67 | DTAAAA | QRGAAA | OOOOxx 143 8609 | 5918 | 1 | 1 | 9 | 9 | 9 | 609 | 609 | 3609 | 8609 | 18 | 19 | DTAAAA | QTIAAA | OOOOxx 144 9285 | 8469 | 1 | 1 | 5 | 5 | 85 | 285 | 1285 | 4285 | 9285 | 170 | 171 | DTAAAA | TNMAAA | HHHHxx 145 9961 | 2058 | 1 | 1 | 1 | 1 | 61 | 961 | 1961 | 4961 | 9961 | 122 | 123 | DTAAAA | EBDAAA | OOOOxx 146(16 rows) 147 148-- unknown or unspecified parameter types: should succeed 149PREPARE q6 AS 150 SELECT * FROM tenk1 WHERE unique1 = $1 AND stringu1 = $2; 151PREPARE q7(unknown) AS 152 SELECT * FROM road WHERE thepath = $1; 153SELECT name, statement, parameter_types FROM pg_prepared_statements 154 ORDER BY name; 155 name | statement | parameter_types 156------+---------------------------------------------------------------------+-------------------------------------------------------- 157 q2 | PREPARE q2(text) AS +| {text} 158 | SELECT datname, datistemplate, datallowconn +| 159 | FROM pg_database WHERE datname = $1; | 160 q3 | PREPARE q3(text, int, float, boolean, oid, smallint) AS +| {text,integer,"double precision",boolean,oid,smallint} 161 | SELECT * FROM tenk1 WHERE string4 = $1 AND (four = $2 OR +| 162 | ten = $3::bigint OR true = $4 OR oid = $5 OR odd = $6::int)+| 163 | ORDER BY unique1; | 164 q5 | PREPARE q5(int, text) AS +| {integer,text} 165 | SELECT * FROM tenk1 WHERE unique1 = $1 OR stringu1 = $2 +| 166 | ORDER BY unique1; | 167 q6 | PREPARE q6 AS +| {integer,name} 168 | SELECT * FROM tenk1 WHERE unique1 = $1 AND stringu1 = $2; | 169 q7 | PREPARE q7(unknown) AS +| {path} 170 | SELECT * FROM road WHERE thepath = $1; | 171(5 rows) 172 173-- test DEALLOCATE ALL; 174DEALLOCATE ALL; 175SELECT name, statement, parameter_types FROM pg_prepared_statements 176 ORDER BY name; 177 name | statement | parameter_types 178------+-----------+----------------- 179(0 rows) 180 181