diff --git a/sql/13.12/bitstring.sql b/sql/13.12/bitstring.sql
deleted file mode 100644
index 1e28e9f9..00000000
--- a/sql/13.12/bitstring.sql
+++ /dev/null
@@ -1,231 +0,0 @@
---SET log_min_messages  TO DEBUG1;
---SET client_min_messages  TO DEBUG1;
---Testcase 001:
-CREATE EXTENSION sqlite_fdw;
---Testcase 002:
-CREATE SERVER sqlite_svr FOREIGN DATA WRAPPER sqlite_fdw
-OPTIONS (database '/tmp/sqlite_fdw_test/common.db');
-
---Testcase 003:
-CREATE SERVER sqlite2 FOREIGN DATA WRAPPER sqlite_fdw;
-
---Testcase 02:
-CREATE FOREIGN TABLE "type_BIT"( "i" int OPTIONS (key 'true'), "b" bit(6)) SERVER sqlite_svr OPTIONS (table 'type_BIT');
---Testcase 03:
-DROP FOREIGN TABLE IF EXISTS "type_BIT+";
---Testcase 04:
-CREATE FOREIGN TABLE "type_BIT+"( "i" int OPTIONS (key 'true'), "b" bit(6), "t" text, "l" smallint, "bi" bigint OPTIONS (column_name 'b')) SERVER sqlite_svr OPTIONS (table 'type_BIT+');
---Testcase 05: type mismatch
-INSERT INTO "type_BIT" ("i", "b") VALUES (1, 1);
---Testcase 06: type mismatch
-INSERT INTO "type_BIT" ("i", "b") VALUES (2, 2);
---Testcase 07: improper data length
-INSERT INTO "type_BIT" ("i", "b") VALUES (3, '1');
---Testcase 08: improper data length
-INSERT INTO "type_BIT" ("i", "b") VALUES (4, '10');
---Testcase 09: improper data length
-INSERT INTO "type_BIT" ("i", "b") VALUES (5, '101');
---Testcase 10:
-INSERT INTO "type_BIT" ("i", "b") VALUES (6, '110110');
---Testcase 11:
-INSERT INTO "type_BIT" ("i", "b") VALUES (7, '111001');
---Testcase 12:
-INSERT INTO "type_BIT" ("i", "b") VALUES (8, '110000');
---Testcase 13:
-INSERT INTO "type_BIT" ("i", "b") VALUES (9, '100001');
---Testcase 14: type mismatch with proper data length
-INSERT INTO "type_BIT" ("i", "b") VALUES (10, 53);
---Testcase 15:
-SELECT * FROM "type_BIT+";
---Testcase 16:
-SELECT * FROM "type_BIT" WHERE b < '110110';
---Testcase 17:
-SELECT * FROM "type_BIT" WHERE b > '110110';
---Testcase 18:
-SELECT * FROM "type_BIT" WHERE b = '110110';
-
---Testcase 20:
-CREATE FOREIGN TABLE "type_VARBIT"( "i" int OPTIONS (key 'true'), "b" varbit(70)) SERVER sqlite_svr OPTIONS (table 'type_VARBIT');
---Testcase 21:
-DROP FOREIGN TABLE IF EXISTS "type_VARBIT+";
---Testcase 22:
-CREATE FOREIGN TABLE "type_VARBIT+"( "i" int OPTIONS (key 'true'), "b" varbit(70), "t" text, "l" smallint) SERVER sqlite_svr OPTIONS (table 'type_VARBIT+');
---Testcase 23:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (1, '1');
---Testcase 24:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (2, '10');
---Testcase 25:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (3, '11');
---Testcase 26:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (4, '100');
---Testcase 27:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (5, '101');
---Testcase 28:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (6, '110110');
---Testcase 29:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (7, '111001');
---Testcase 30:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (8, '110000');
---Testcase 31:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (9, '100001');
---Testcase 32:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (10, '0100100101011001010010101000111110110101101101111011000101010');
---Testcase 33:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (11, '01001001010110010100101010001111101101011011011110110001010101');
-
---Testcase 34:
-SELECT * FROM "type_VARBIT+";
---Testcase 35:
-SELECT * FROM "type_VARBIT+" WHERE b < '110110';
---Testcase 36:
-SELECT * FROM "type_VARBIT+" WHERE b > '110110';
---Testcase 37:
-SELECT * FROM "type_VARBIT+" WHERE b = '110110';
-
---Testcase 38:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (12, '010010010101100101001010100011111011010110110111101100010101010');
---Testcase 39:
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (13, '0100100101011001010010101000111110110101101101111011000101010101');
---Testcase 40: very long bit string, expected ERROR, 65 bits
-INSERT INTO "type_VARBIT" ("i", "b") VALUES (14, '01001001010110010100101010001111101101011011011110110001010101010');
---Testcase 41:
-SELECT * FROM "type_VARBIT+" WHERE "i" > 10;
-
---Testcase 42:
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" | b2."b" "res" FROM "type_BIT" b1 INNER JOIN "type_BIT" b2 ON true;
---Testcase 43:
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" & b2."b" "res" FROM "type_BIT" b1 INNER JOIN "type_BIT" b2 ON true;
---Testcase 44:
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" # b2."b" "res" FROM "type_BIT" b1 INNER JOIN "type_BIT" b2 ON true;
---Testcase 45:
-SELECT "i", "b", "b" >> 2 "res" FROM "type_BIT";
---Testcase 46:
-SELECT "i", "b", "b" << 3 "res" FROM "type_BIT";
---Testcase 47:
-SELECT "i", "b", ~ "b" "res" FROM "type_BIT";
---Testcase 48:
-EXPLAIN VERBOSE
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" | b2."b" "res" FROM "type_BIT" b1 INNER JOIN "type_BIT" b2 ON true;
---Testcase 49:
-EXPLAIN VERBOSE
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" & b2."b" "res" FROM "type_BIT" b1 INNER JOIN "type_BIT" b2 ON true;
---Testcase 50:
-EXPLAIN VERBOSE
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" # b2."b" "res" FROM "type_BIT" b1 INNER JOIN "type_BIT" b2 ON true;
---Testcase 51:
-EXPLAIN VERBOSE
-SELECT "i", "b", "b" >> 2 "res" FROM "type_BIT";
---Testcase 52:
-EXPLAIN VERBOSE
-SELECT "i", "b", "b" << 3 "res" FROM "type_BIT";
---Testcase 53:
-EXPLAIN VERBOSE
-SELECT "i", "b", ~ "b" "res" FROM "type_BIT";
-
---Testcase 54:
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" | b2."b" "res" FROM "type_VARBIT" b1 INNER JOIN "type_VARBIT" b2 ON true;
---Testcase 55:
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" & b2."b" "res" FROM "type_VARBIT" b1 INNER JOIN "type_VARBIT" b2 ON true;
---Testcase 56:
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" # b2."b" "res" FROM "type_VARBIT" b1 INNER JOIN "type_VARBIT" b2 ON true;
---Testcase 57:
-SELECT "i", "b", "b" >> 2 "res" FROM "type_VARBIT";
---Testcase 58:
-SELECT "i", "b", "b" << 3 "res" FROM "type_VARBIT";
---Testcase 59:
-SELECT "i", "b", ~ "b" "res" FROM "type_VARBIT";
---Testcase 60:
-EXPLAIN VERBOSE
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" | b2."b" "res" FROM "type_VARBIT" b1 INNER JOIN "type_VARBIT" b2 ON true;
---Testcase 61:
-EXPLAIN VERBOSE
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" & b2."b" "res" FROM "type_VARBIT" b1 INNER JOIN "type_VARBIT" b2 ON true;
---Testcase 62:
-EXPLAIN VERBOSE
-SELECT b1."i" "i₁", b1."b" "b₁", b2."i" "i₂", b2."b" "b₂", b1."b" # b2."b" "res" FROM "type_VARBIT" b1 INNER JOIN "type_VARBIT" b2 ON true;
---Testcase 63:
-EXPLAIN VERBOSE
-SELECT "i", "b", "b" >> 2 "res" FROM "type_VARBIT";
---Testcase 64:
-EXPLAIN VERBOSE
-SELECT "i", "b", "b" << 3 "res" FROM "type_VARBIT";
---Testcase 65:
-EXPLAIN VERBOSE
-SELECT "i", "b", ~ "b" "res" FROM "type_VARBIT";
-
---Testcase 66:
-SELECT "i", "b", "b" & B'101011' "res" FROM "type_BIT";
---Testcase 67:
-SELECT "i", "b", "b" | B'101011' "res" FROM "type_BIT";
---Testcase 68:
-SELECT "i", "b", "b" # B'101011' "res" FROM "type_BIT";
---Testcase 69:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" & B'101011') IS NOT NULL;
---Testcase 70:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" | B'101011') IS NOT NULL;
---Testcase 71:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" # B'101011') IS NOT NULL;
---Testcase 72:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" >> 1) IS NOT NULL;
---Testcase 73:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" << 2) IS NOT NULL;
---Testcase 74:
-SELECT "i", "b" FROM "type_BIT" WHERE (~ "b") IS NOT NULL;
---Testcase 75:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" & B'101011') IS NOT NULL;
---Testcase 76:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" | B'101011') IS NOT NULL;
---Testcase 77:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" # B'101011') IS NOT NULL;
---Testcase 78:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" >> 1) IS NOT NULL;
---Testcase 79:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" << 2) IS NOT NULL;
---Testcase 80:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE (~ "b") IS NOT NULL;
-
---Testcase 81:
-SELECT "i", "b", "b" & B'101011' "res" FROM "type_BIT";
---Testcase 82:
-SELECT "i", "b", "b" | B'101011' "res" FROM "type_BIT";
---Testcase 83:
-SELECT "i", "b", "b" # B'101011' "res" FROM "type_BIT";
---Testcase 84:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" & B'101011') IS NOT NULL;
---Testcase 85:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" | B'101011') IS NOT NULL;
---Testcase 86:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" # B'101011') IS NOT NULL;
---Testcase 87:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" >> 1) IS NOT NULL;
---Testcase 88:
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" << 2) IS NOT NULL;
---Testcase 89:
-SELECT "i", "b" FROM "type_BIT" WHERE (~ "b") IS NOT NULL;
---Testcase 90:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" & B'101011') IS NOT NULL;
---Testcase 91:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" | B'101011') IS NOT NULL;
---Testcase 92:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" # B'101011') IS NOT NULL;
---Testcase 93:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" >> 1) IS NOT NULL;
---Testcase 94:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE ("b" << 2) IS NOT NULL;
---Testcase 95:
-EXPLAIN VERBOSE
-SELECT "i", "b" FROM "type_BIT" WHERE (~ "b") IS NOT NULL;
-
---Testcase 005:
-DROP EXTENSION sqlite_fdw CASCADE;