[improvment](function) add new function substring_index (#15024)

2022-12-15 09:54:34 +08:00
parent 46030d786a
commit 21c2e485ae
8 changed files with 417 additions and 1 deletions
--- a/regression-test/data/query_p0/sql_functions/string_functions/test_string_function.out
+++ b/regression-test/data/query_p0/sql_functions/string_functions/test_string_function.out
@ -311,6 +311,45 @@ tNEW-STRorigin str
 -- !sql --
 d***is

+-- !sql --
+hello
+
+-- !sql --
+hello world
+
+-- !sql --
+hello world
+
+-- !sql --
+world
+
+-- !sql --
+hello world
+
+-- !sql --
+hello world
+
+-- !sql --
+prefix__string2
+
+-- !sql --
+prefix_
+
+-- !sql --
+prefix_string2
+
+-- !sql --
+\N
+
+-- !sql --
+\N
+
+-- !sql --
+\N
+
+-- !sql --
+prefix_string
+
 -- !sql --
 \N

@ -328,4 +367,3 @@ tNEW-STRorigin str

 -- !sql --
 d***is
-