Allow backtick around fields in sort cmd (#1688)

* Allow backtick around fields in sort cmd Signed-off-by: Joshua Li <[email protected]> * Add test Signed-off-by: Joshua Li <[email protected]> * Update test setup Signed-off-by: Joshua Li <[email protected]> * revert ignoring sql-cli repo if exists Signed-off-by: Joshua Li <[email protected]> --------- Signed-off-by: Joshua Li <[email protected]> (cherry picked from commit 691012d)
opensearch-project · May 31, 2023 · 6c8aae3 · 6c8aae3
1 parent 86ae687
commit 6c8aae3
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Showing 3 changed files with 13 additions and 2 deletions.
diff --git a/.gitignore b/.gitignore
@@ -47,4 +47,6 @@ gen
 
 .java-version
 .worktrees
-http-client.env.json
+http-client.env.json
+/doctest/sql-cli/
+.factorypath
diff --git a/ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java b/ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java
@@ -182,7 +182,7 @@ public UnresolvedExpression visitWcFieldExpression(WcFieldExpressionContext ctx)
   @Override
   public UnresolvedExpression visitSortField(SortFieldContext ctx) {
     return new Field(
-        qualifiedName(ctx.sortFieldExpression().fieldExpression().getText()),
+        visit(ctx.sortFieldExpression().fieldExpression().qualifiedName()),
         ArgumentFactory.getArgumentList(ctx)
     );
   }

diff --git a/ppl/src/test/java/org/opensearch/sql/ppl/parser/AstExpressionBuilderTest.java b/ppl/src/test/java/org/opensearch/sql/ppl/parser/AstExpressionBuilderTest.java
@@ -301,6 +301,15 @@ public void testSortFieldWithMinusKeyword() {
         ));
   }
 
+  @Test
+  public void testSortFieldWithBackticks() {
+    assertEqual("source=t | sort `f`",
+        sort(
+            relation("t"),
+            field("f", defaultSortFieldArgs())
+        ));
+  }
+
   @Test
   public void testSortFieldWithAutoKeyword() {
     assertEqual("source=t | sort auto(f)",