Adding support for MySQL's SQL_NO_CACHE flag

JSQLParser · Mar 25, 2018 · 403e722 · 403e722
1 parent de29e1e
commit 403e722
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Showing 4 changed files with 26 additions and 0 deletions.
diff --git a/src/main/java/net/sf/jsqlparser/statement/select/PlainSelect.java b/src/main/java/net/sf/jsqlparser/statement/select/PlainSelect.java
@@ -60,6 +60,7 @@ public class PlainSelect extends ASTNodeAccessImpl implements SelectBody {
     private boolean useBrackets = false;
     private Wait wait;
     private boolean mySqlSqlCalcFoundRows = false;
+    private boolean sqlNoCacheFlag = false;
 
     public boolean isUseBrackets() {
         return useBrackets;
@@ -313,6 +314,9 @@ public String toString() {
         if (top != null) {
             sql.append(top).append(" ");
         }
+        if (sqlNoCacheFlag) {
+            sql.append("SQL_NO_CACHE").append(" ");
+        }
         if (mySqlSqlCalcFoundRows) {
             sql.append("SQL_CALC_FOUND_ROWS").append(" ");
         }
@@ -465,7 +469,15 @@ public void setMySqlSqlCalcFoundRows(boolean mySqlCalcFoundRows) {
         this.mySqlSqlCalcFoundRows = mySqlCalcFoundRows;
     }
 
+    public void setMySqlSqlNoCache(boolean sqlNoCacheFlagSet) {
+        this.sqlNoCacheFlag = sqlNoCacheFlagSet;
+    }
+
     public boolean getMySqlSqlCalcFoundRows() {
         return this.mySqlSqlCalcFoundRows;
     }
+
+    public boolean getMySqlSqlNoCache() {
+        return this.sqlNoCacheFlag;
+    }
 }
diff --git a/src/main/java/net/sf/jsqlparser/util/deparser/SelectDeParser.java b/src/main/java/net/sf/jsqlparser/util/deparser/SelectDeParser.java
@@ -97,6 +97,10 @@ public void visit(PlainSelect plainSelect) {
             buffer.append(top).append(" ");
         }
 
+        if (plainSelect.getMySqlSqlNoCache()) {
+            buffer.append("SQL_NO_CACHE").append(" ");
+        }
+
         if (plainSelect.getMySqlSqlCalcFoundRows()) {
             buffer.append("SQL_CALC_FOUND_ROWS").append(" ");
         }

diff --git a/src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt b/src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt
@@ -274,6 +274,7 @@ TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
 |   <K_UPSERT:"UPSERT">
 |   <K_USE : "USE">
 |   <K_SQL_CALC_FOUND_ROWS: "SQL_CALC_FOUND_ROWS">
+|   <K_SQL_NO_CACHE: "SQL_NO_CACHE">
 |   <K_USING:"USING">
 |   <K_VALIDATE : "VALIDATE">
 |   <K_VALUE:"VALUE">
@@ -1108,6 +1109,10 @@ PlainSelect PlainSelect() #PlainSelect:
             (
                 <K_SQL_CALC_FOUND_ROWS> { plainSelect.setMySqlSqlCalcFoundRows(true); }
             )
+        |
+            (
+                <K_SQL_NO_CACHE> { plainSelect.setMySqlSqlNoCache(true); }
+            )
     ]
 
     [top = Top() { plainSelect.setTop(top);    } ]

diff --git a/src/test/java/net/sf/jsqlparser/test/select/SelectTest.java b/src/test/java/net/sf/jsqlparser/test/select/SelectTest.java
@@ -2153,6 +2153,11 @@ public void testJsonExpression() throws JSQLParserException {
         }
     }
 
+    public void testSqlNoCache() throws JSQLParserException {
+        String stmt = "SELECT SQL_NO_CACHE sales.date FROM sales";
+        assertSqlCanBeParsedAndDeparsed(stmt);
+    }
+
     public void testSelectInto1() throws JSQLParserException {
         assertSqlCanBeParsedAndDeparsed("SELECT * INTO user_copy FROM user");
     }