column mapping: update readme (#267)

pingcap · Sep 10, 2019 · 5a229d0 · 5a229d0
1 parent 82398b5
commit 5a229d0
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/pkg/column-mapping/README.md b/pkg/column-mapping/README.md
@@ -16,11 +16,11 @@ we define a rule `Rule` to show how to map column
 
 ```go
 type Rule struct {
-	PatternSchema    string   `yaml:"pattern-schema" json:"parttern-schema" toml:"pattern-schema"`
-	PatternTable     string   `yaml:"pattern-table" json:"pattern-table" toml:"pattern-table"`
+	PatternSchema    string   `yaml:"schema-pattern" json:"schema-pattern" toml:"schema-pattern"`
+	PatternTable     string   `yaml:"table-pattern" json:"table-pattern" toml:"table-pattern"`
 	SourceColumn     string   `yaml:"source-column" json:"source-column" toml:"source-column"` // modify, add refer column, ignore
 	TargetColumn     string   `yaml:"target-column" json:"target-column" toml:"target-column"` // add column, modify
-	Expression       string   `yaml:"expression" json:"expression" toml:"expression"`
+	Expression       Expr     `yaml:"expression" json:"expression" toml:"expression"`
 	Arguments        []string `yaml:"arguments" json:"arguments" toml:"arguments"`
 	CreateTableQuery string   `yaml:"create-table-query" json:"create-table-query" toml:"create-table-query"`
 }
@@ -47,4 +47,4 @@ The separator argument defaults to an empty string if omitted.
 
 ## notice
 * only support above poor expressions now
-* column mapping don't change column type and table structure now
+* column mapping doesn't change column type and table structure now