1 files changed, 59 insertions, 0 deletions
diff --git a/src/test/regress/sql/btree_index.sql b/src/test/regress/sql/btree_index.sql
index c34502249f..239f4a4755 100644
--- a/src/test/regress/sql/btree_index.sql
+++ b/src/test/regress/sql/btree_index.sql
@@ -1,5 +1,64 @@
 --
 -- BTREE_INDEX
+--
+
+-- directory paths are passed to us in environment variables
+\getenv abs_srcdir PG_ABS_SRCDIR
+
+CREATE TABLE bt_i4_heap (
+	seqno 		int4,
+	random 		int4
+);
+
+CREATE TABLE bt_name_heap (
+	seqno 		name,
+	random 		int4
+);
+
+CREATE TABLE bt_txt_heap (
+	seqno 		text,
+	random 		int4
+);
+
+CREATE TABLE bt_f8_heap (
+	seqno 		float8,
+	random 		int4
+);
+
+\set filename :abs_srcdir '/data/desc.data'
+COPY bt_i4_heap FROM :'filename';
+
+\set filename :abs_srcdir '/data/hash.data'
+COPY bt_name_heap FROM :'filename';
+
+\set filename :abs_srcdir '/data/desc.data'
+COPY bt_txt_heap FROM :'filename';
+
+\set filename :abs_srcdir '/data/hash.data'
+COPY bt_f8_heap FROM :'filename';
+
+ANALYZE bt_i4_heap;
+ANALYZE bt_name_heap;
+ANALYZE bt_txt_heap;
+ANALYZE bt_f8_heap;
+
+--
+-- BTREE ascending/descending cases
+--
+-- we load int4/text from pure descending data (each key is a new
+-- low key) and name/f8 from pure ascending data (each key is a new
+-- high key).  we had a bug where new low keys would sometimes be
+-- "lost".
+--
+CREATE INDEX bt_i4_index ON bt_i4_heap USING btree (seqno int4_ops);
+
+CREATE INDEX bt_name_index ON bt_name_heap USING btree (seqno name_ops);
+
+CREATE INDEX bt_txt_index ON bt_txt_heap USING btree (seqno text_ops);
+
+CREATE INDEX bt_f8_index ON bt_f8_heap USING btree (seqno float8_ops);
+
+--
 -- test retrieval of min/max keys for each index
 --