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-rw-r--r--src/backend/parser/scan.l2
-rw-r--r--src/fe_utils/psqlscan.l2
-rw-r--r--src/interfaces/ecpg/preproc/pgc.l2
-rw-r--r--src/test/regress/expected/numerology.out11
-rw-r--r--src/test/regress/sql/numerology.sql9
5 files changed, 23 insertions, 3 deletions
diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l
index 9b33fb8d722..3248fb51080 100644
--- a/src/backend/parser/scan.l
+++ b/src/backend/parser/scan.l
@@ -407,7 +407,7 @@ octfail 0[oO]_?
binfail 0[bB]_?
numeric (({decinteger}\.{decinteger}?)|(\.{decinteger}))
-numericfail {decdigit}+\.\.
+numericfail {decinteger}\.\.
real ({decinteger}|{numeric})[Ee][-+]?{decinteger}
realfail ({decinteger}|{numeric})[Ee][-+]
diff --git a/src/fe_utils/psqlscan.l b/src/fe_utils/psqlscan.l
index c6d02439ab2..ddc4658b925 100644
--- a/src/fe_utils/psqlscan.l
+++ b/src/fe_utils/psqlscan.l
@@ -343,7 +343,7 @@ octfail 0[oO]_?
binfail 0[bB]_?
numeric (({decinteger}\.{decinteger}?)|(\.{decinteger}))
-numericfail {decdigit}+\.\.
+numericfail {decinteger}\.\.
real ({decinteger}|{numeric})[Ee][-+]?{decinteger}
realfail ({decinteger}|{numeric})[Ee][-+]
diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index d117cafce65..f9d68a96e79 100644
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -376,7 +376,7 @@ octfail 0[oO]_?
binfail 0[bB]_?
numeric (({decinteger}\.{decinteger}?)|(\.{decinteger}))
-numericfail {decdigit}+\.\.
+numericfail {decinteger}\.\.
real ({decinteger}|{numeric})[Ee][-+]?{decinteger}
realfail ({decinteger}|{numeric})[Ee][-+]
diff --git a/src/test/regress/expected/numerology.out b/src/test/regress/expected/numerology.out
index c8196d2c85a..8d4a3ba228a 100644
--- a/src/test/regress/expected/numerology.out
+++ b/src/test/regress/expected/numerology.out
@@ -297,6 +297,17 @@ SELECT 1_000.5e0_1;
10005
(1 row)
+DO $$
+DECLARE
+ i int;
+BEGIN
+ FOR i IN 1_001..1_003 LOOP
+ RAISE NOTICE 'i = %', i;
+ END LOOP;
+END $$;
+NOTICE: i = 1001
+NOTICE: i = 1002
+NOTICE: i = 1003
-- error cases
SELECT _100;
ERROR: column "_100" does not exist
diff --git a/src/test/regress/sql/numerology.sql b/src/test/regress/sql/numerology.sql
index 3f0ec34ecfa..372e7bf9bc8 100644
--- a/src/test/regress/sql/numerology.sql
+++ b/src/test/regress/sql/numerology.sql
@@ -77,6 +77,15 @@ SELECT 1_000.;
SELECT .000_005;
SELECT 1_000.5e0_1;
+DO $$
+DECLARE
+ i int;
+BEGIN
+ FOR i IN 1_001..1_003 LOOP
+ RAISE NOTICE 'i = %', i;
+ END LOOP;
+END $$;
+
-- error cases
SELECT _100;
SELECT 100_;