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sql解析对case when 的支持

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fix #1598
This commit is contained in:
mcy
2019-03-21 18:35:58 +08:00
parent 0411d99e7b
commit 0181dfaa42
1 changed files with 5 additions and 4 deletions
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9
client-adapter/elasticsearch/src/main/java/com/alibaba/otter/canal/client/adapter/es/config/SqlParser.java
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@@ -9,10 +9,7 @@ import java.util.stream.Collectors;
import com.alibaba.fastsql.sql.SQLUtils; import com.alibaba.fastsql.sql.SQLUtils;
import com.alibaba.fastsql.sql.ast.SQLExpr; import com.alibaba.fastsql.sql.ast.SQLExpr;
import com.alibaba.fastsql.sql.ast.expr.SQLBinaryOpExpr; import com.alibaba.fastsql.sql.ast.expr.*;
import com.alibaba.fastsql.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.fastsql.sql.ast.expr.SQLMethodInvokeExpr;
import com.alibaba.fastsql.sql.ast.expr.SQLPropertyExpr;
import com.alibaba.fastsql.sql.ast.statement.*; import com.alibaba.fastsql.sql.ast.statement.*;
import com.alibaba.fastsql.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock; import com.alibaba.fastsql.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlStatementParser; import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlStatementParser;
@@ -121,6 +118,10 @@ public class SqlParser {
fieldItem.setBinaryOp(true); fieldItem.setBinaryOp(true);
visitColumn(sqlBinaryOpExpr.getLeft(), fieldItem); visitColumn(sqlBinaryOpExpr.getLeft(), fieldItem);
visitColumn(sqlBinaryOpExpr.getRight(), fieldItem); visitColumn(sqlBinaryOpExpr.getRight(), fieldItem);
} else if (expr instanceof SQLCaseExpr) {
SQLCaseExpr sqlCaseExpr = (SQLCaseExpr) expr;
fieldItem.setMethod(true);
sqlCaseExpr.getItems().forEach(item-> visitColumn(item.getConditionExpr(), fieldItem));
} }
} }