From e64f7a58167c1bb6a60bf4ad6422e6d1b6111769 Mon Sep 17 00:00:00 2001
From: yx179971 <375986529@qq.com>
Date: Wed, 22 Nov 2023 11:14:29 +0800
Subject: [PATCH] fix ddl from exists table (#172)

---
 ddlmod.go      |  2 +-
 ddlmod_test.go | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/ddlmod.go b/ddlmod.go
index 53570614..463a1d62 100644
--- a/ddlmod.go
+++ b/ddlmod.go
@@ -13,7 +13,7 @@ import (
 
 var (
 	sqliteSeparator    = "`|\"|'|\t"
-	indexRegexp        = regexp.MustCompile(fmt.Sprintf(`(?is)CREATE(?: UNIQUE)? INDEX [%v]?[\w\d-]+[%v]? ON (.*)$`, sqliteSeparator, sqliteSeparator))
+	indexRegexp        = regexp.MustCompile(fmt.Sprintf(`(?is)CREATE(?: UNIQUE)? INDEX [%v]?[\w\d-]+[%v]?(?s:.*?)ON (.*)$`, sqliteSeparator, sqliteSeparator))
 	tableRegexp        = regexp.MustCompile(fmt.Sprintf(`(?is)(CREATE TABLE [%v]?[\w\d-]+[%v]?)(?:\s*\((.*)\))?`, sqliteSeparator, sqliteSeparator))
 	separatorRegexp    = regexp.MustCompile(fmt.Sprintf("[%v]", sqliteSeparator))
 	columnsRegexp      = regexp.MustCompile(fmt.Sprintf(`[(,][%v]?(\w+)[%v]?`, sqliteSeparator, sqliteSeparator))
diff --git a/ddlmod_test.go b/ddlmod_test.go
index 963c2712..02d36691 100644
--- a/ddlmod_test.go
+++ b/ddlmod_test.go
@@ -97,6 +97,24 @@ func TestParseDDL(t *testing.T) {
 				},
 			},
 		},
+		{
+			"index with \n from .schema sqlite",
+			[]string{
+				"CREATE TABLE `test-d` (`field` integer NOT NULL)",
+				"CREATE INDEX `idx_uq`\n    ON `test-b`(`field`) WHERE field = 0",
+			},
+			1,
+			[]migrator.ColumnType{
+				{
+					NameValue:       sql.NullString{String: "field", Valid: true},
+					DataTypeValue:   sql.NullString{String: "integer", Valid: true},
+					ColumnTypeValue: sql.NullString{String: "integer", Valid: true},
+					PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true},
+					UniqueValue:     sql.NullBool{Bool: false, Valid: true},
+					NullableValue:   sql.NullBool{Bool: false, Valid: true},
+				},
+			},
+		},
 	}
 
 	for _, p := range params {