From 17016129f1f12c3e2dcc54b902a56c009ffca4db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=AB=98=E9=93=81?= <szujobs@gmail.com>
Date: Tue, 3 Oct 2017 06:00:25 -0500
Subject: [PATCH] Created SQL_RemoveCondition_demo (markdown)

---
 SQL_RemoveCondition_demo.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 SQL_RemoveCondition_demo.md

diff --git a/SQL_RemoveCondition_demo.md b/SQL_RemoveCondition_demo.md
new file mode 100644
index 0000000..0654ed7
--- /dev/null
+++ b/SQL_RemoveCondition_demo.md
@@ -0,0 +1,20 @@
+```java
+final String dbType = JdbcConstants.MYSQL; // ORACLE or POSTGRESQL or SQL_SERVER or HIVE or ODPS
+
+String sql = "select * from t where id = 2 and name = 'wenshao'";
+SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
+SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatement();
+SQLSelectQueryBlock queryBlock = stmt.getSelect().getQueryBlock();
+
+assertTrue(queryBlock.removeCondition("name = 'wenshao'"));
+
+assertEquals("SELECT *\n" +
+        "FROM t\n" +
+        "WHERE id = 2", stmt.toString());
+
+assertTrue(
+        queryBlock.removeCondition("id = 2"));
+
+assertEquals("SELECT *\n" +
+        "FROM t", stmt.toString());
+```
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