parser: Fix EncFirstFreeFlagBit (#19)

This commit fixes the FirstFreeFlagBit position
to ensure proper offset for tree.FmtFlags.

Author: Jeremyyang920

patches/0005-enc-first-free-flag.patch

@@ -0,0 +1,23 @@
+diff --git a/pkg/sql/lexbase/encode.go b/pkg/sql/lexbase/encode.go
+index 47b9a37..4f7bc03 100644
+--- a/pkg/sql/lexbase/encode.go
++++ b/pkg/sql/lexbase/encode.go
+@@ -46,14 +46,14 @@ const (
+ 	// without wrapping quotes.
+ 	EncBareReservedKeywords
+ 
+-	// EncFirstFreeFlagBit needs to remain unused; it is used as base
+-	// bit offset for tree.FmtFlags.
+-	EncFirstFreeFlagBit
+-
+ 	// EncAlwaysQuoted makes sure the string is always wrapped with quotes.
+ 	// This is used only to construct a statement against Oracle source,
+ 	// as Oracle is case insensitive if object name is not quoted.
+ 	EncAlwaysQuoted
++
++	// EncFirstFreeFlagBit needs to remain unused; it is used as base
++	// bit offset for tree.FmtFlags.
++	EncFirstFreeFlagBit
+ )
+ 
+ // EncodeRestrictedSQLIdent writes the identifier in s to buf. The

pkg/sql/lexbase/encode.go

@@ -46,14 +46,14 @@ const (
 	// without wrapping quotes.
 	EncBareReservedKeywords
 
-	// EncFirstFreeFlagBit needs to remain unused; it is used as base
-	// bit offset for tree.FmtFlags.
-	EncFirstFreeFlagBit
-
 	// EncAlwaysQuoted makes sure the string is always wrapped with quotes.
 	// This is used only to construct a statement against Oracle source,
 	// as Oracle is case insensitive if object name is not quoted.
 	EncAlwaysQuoted
+
+	// EncFirstFreeFlagBit needs to remain unused; it is used as base
+	// bit offset for tree.FmtFlags.
+	EncFirstFreeFlagBit
 )
 
 // EncodeRestrictedSQLIdent writes the identifier in s to buf. The

version

@@ -1 +1 @@
-259c8a573eb2ba28643ffd55ee3bf6a438198c04
+4822ed2001ffba40aa96839344ffffad92020a2e