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refactor mysql ddl partition by clause

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This commit is contained in:
高铁
2016-02-25 15:00:53 +08:00
parent e1fa75bae3
commit 25a1bea480
12 changed files with 152 additions and 71 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlPartitionByHash.java
+6 -16
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@@ -22,9 +22,8 @@ public class MySqlPartitionByHash extends MySqlPartitioningClause {
private SQLExpr expr;
private SQLExpr partitionCount;
private boolean linear;
// for aliyun ads
private boolean key;
@Override
public void accept0(MySqlASTVisitor visitor) {
@@ -36,14 +35,6 @@ public class MySqlPartitionByHash extends MySqlPartitioningClause {
visitor.endVisit(this);
}
public SQLExpr getPartitionCount() {
return partitionCount;
}
public void setPartitionCount(SQLExpr partitionCount) {
this.partitionCount = partitionCount;
}
public SQLExpr getExpr() {
return expr;
}
@@ -52,12 +43,11 @@ public class MySqlPartitionByHash extends MySqlPartitioningClause {
this.expr = expr;
}
public boolean isLinear() {
return linear;
public boolean isKey() {
return key;
}
public void setLinear(boolean linear) {
this.linear = linear;
public void setKey(boolean key) {
this.key = key;
}
}
src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlPartitionByKey.java
-21
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@@ -18,7 +18,6 @@ package com.alibaba.druid.sql.dialect.mysql.ast.statement;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
@@ -26,10 +25,6 @@ public class MySqlPartitionByKey extends MySqlPartitioningClause {
private List<SQLName> columns = new ArrayList<SQLName>();
private SQLExpr partitionCount;
private boolean linear;
@Override
public void accept0(MySqlASTVisitor visitor) {
if (visitor.visit(this)) {
@@ -40,14 +35,6 @@ public class MySqlPartitionByKey extends MySqlPartitioningClause {
visitor.endVisit(this);
}
public SQLExpr getPartitionCount() {
return partitionCount;
}
public void setPartitionCount(SQLExpr partitionCount) {
this.partitionCount = partitionCount;
}
public List<SQLName> getColumns() {
return columns;
}
@@ -56,12 +43,4 @@ public class MySqlPartitionByKey extends MySqlPartitioningClause {
this.columns = columns;
}
public boolean isLinear() {
return linear;
}
public void setLinear(boolean linear) {
this.linear = linear;
}
}
src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlPartitionByList.java
-10
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@@ -28,8 +28,6 @@ public class MySqlPartitionByList extends MySqlPartitioningClause {
private List<SQLName> columns = new ArrayList<SQLName>();
private SQLExpr partitionCount;
@Override
public void accept0(MySqlASTVisitor visitor) {
if (visitor.visit(this)) {
@@ -52,14 +50,6 @@ public class MySqlPartitionByList extends MySqlPartitioningClause {
this.expr = expr;
}
public SQLExpr getPartitionCount() {
return partitionCount;
}
public void setPartitionCount(SQLExpr partitionCount) {
this.partitionCount = partitionCount;
}
public List<SQLName> getColumns() {
return columns;
}
src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlPartitionByRange.java
-2
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@@ -28,8 +28,6 @@ public class MySqlPartitionByRange extends MySqlPartitioningClause {
private List<SQLName> columns = new ArrayList<SQLName>();
private SQLExpr partitionCount;
@Override
public void accept0(MySqlASTVisitor visitor) {
if (visitor.visit(this)) {
src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlPartitioningClause.java
+20
View File
@@ -18,6 +18,7 @@ package com.alibaba.druid.sql.dialect.mysql.ast.statement;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLPartitioningClause;
import com.alibaba.druid.sql.dialect.mysql.ast.MySqlObjectImpl;
@@ -25,6 +26,10 @@ public abstract class MySqlPartitioningClause extends MySqlObjectImpl implements
private List<MySqlPartitioningDef> partitions = new ArrayList<MySqlPartitioningDef>();
protected SQLExpr partitionCount;
protected boolean linear;
public List<MySqlPartitioningDef> getPartitions() {
return partitions;
}
@@ -33,4 +38,19 @@ public abstract class MySqlPartitioningClause extends MySqlObjectImpl implements
this.partitions = partitions;
}
public SQLExpr getPartitionCount() {
return partitionCount;
}
public void setPartitionCount(SQLExpr partitionCount) {
this.partitionCount = partitionCount;
}
public boolean isLinear() {
return linear;
}
public void setLinear(boolean linear) {
this.linear = linear;
}
}
src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlCreateTableParser.java
+16 -17
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@@ -422,10 +422,7 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
partitionClause = clause;
if (identifierEquals("PARTITIONS")) {
lexer.nextToken();
clause.setPartitionCount(this.exprParser.expr());
}
partitionClauseRest(clause);
} else if (identifierEquals("HASH")) {
lexer.nextToken();
MySqlPartitionByHash clause = new MySqlPartitionByHash();
@@ -433,16 +430,18 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
if (linera) {
clause.setLinear(true);
}
if (lexer.token() == Token.KEY) {
lexer.nextToken();
clause.setKey(true);
}
accept(Token.LPAREN);
clause.setExpr(this.exprParser.expr());
accept(Token.RPAREN);
partitionClause = clause;
if (identifierEquals("PARTITIONS")) {
lexer.nextToken();
clause.setPartitionCount(this.exprParser.expr());
}
partitionClauseRest(clause);
} else if (identifierEquals("RANGE")) {
lexer.nextToken();
@@ -467,11 +466,7 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
}
partitionClause = clause;
if (identifierEquals("PARTITIONS")) {
lexer.nextToken();
clause.setPartitionCount(this.exprParser.expr());
}
//
partitionClauseRest(clause);
} else if (identifierEquals("LIST")) {
lexer.nextToken();
@@ -496,10 +491,7 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
}
partitionClause = clause;
if (identifierEquals("PARTITIONS")) {
lexer.nextToken();
clause.setPartitionCount(this.exprParser.expr());
}
partitionClauseRest(clause);
} else {
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
}
@@ -593,6 +585,13 @@ public class MySqlCreateTableParser extends SQLCreateTableParser {
return stmt;
}
protected void partitionClauseRest(MySqlPartitioningClause clause) {
if (identifierEquals("PARTITIONS")) {
lexer.nextToken();
clause.setPartitionCount(this.exprParser.expr());
}
}
private boolean parseTableOptionCharsetOrCollate(MySqlCreateTableStatement stmt) {
if (identifierEquals("CHARACTER")) {
lexer.nextToken();
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
+8 -3
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@@ -1620,11 +1620,16 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
@Override
public boolean visit(MySqlPartitionByHash x) {
if (x.isLinear()) {
print0(ucase ? "PARTITION BY LINEAR HASH (" : "partition by linear hash (");
print0(ucase ? "PARTITION BY LINEAR HASH " : "partition by linear hash ");
} else {
print0(ucase ? "PARTITION BY HASH (" : "partition by hash (");
print0(ucase ? "PARTITION BY HASH " : "partition by hash ");
}
//
if (x.isKey()) {
print0(ucase ? "KEY" : "key");
}
print('(');
x.getExpr().accept(this);
print(')');