Merge pull request #19 from Matts966/alphasql

 Fix bugs resolving dependencies of temp table references and add a sample case

Makefile

@@ -1,11 +1,14 @@
+.PHONY: build-and-check
+build-and-check: test sample
+
 .PHONY: osx
 osx:
 	CC=g++ bazel build //alphasql:all
 	sudo cp ./bazel-bin/alphasql/dag /usr/local/bin
 	sudo cp ./bazel-bin/alphasql/pipeline_type_checker /usr/local/bin
 
 .PHONY: sample
-sample:
+sample: osx
 	ls -d samples/*/ | while read sample; do \
 		dag $$sample --output_path $$sample/dag.dot; \
 		dot -Tpng $$sample/dag.dot -o $$sample/dag.png; \
@@ -14,5 +17,5 @@ sample:
 	done;
 
 .PHONY: test
-test:
+test: osx
 	CC=g++ bazel test //alphasql:all

alphasql/identifier_resolver.h

@@ -262,6 +262,9 @@ absl::Status IdentifierResolver::FindInStatement(const ASTStatement* statement)
       if (query == nullptr) {
         if (analyzer_options_->language().SupportsStatementKind(
                 RESOLVED_CREATE_TABLE_STMT)) {
+          if (create_statement->scope() == ASTCreateStatement::TEMPORARY) {
+            return absl::OkStatus();
+          }
           _node_kind_to_table_names[RESOLVED_CREATE_TABLE_STMT].insert(
             create_statement->name()->ToIdentifierVector()
           );
@@ -270,6 +273,9 @@ absl::Status IdentifierResolver::FindInStatement(const ASTStatement* statement)
       } else {
         if (analyzer_options_->language().SupportsStatementKind(
                 RESOLVED_CREATE_TABLE_AS_SELECT_STMT)) {
+          if (create_statement->scope() == ASTCreateStatement::TEMPORARY) {
+            return absl::OkStatus();
+          }
           _node_kind_to_table_names[RESOLVED_CREATE_TABLE_AS_SELECT_STMT].insert(
             create_statement->name()->ToIdentifierVector()
           );

samples/create-temp-table-test/dag.dot

@@ -0,0 +1,4 @@
+digraph G {
+0[label="samples/create-temp-table-test/reference.sql"];
+1[label="samples/create-temp-table-test/temp_table.sql"];
+}

samples/create-temp-table-test/reference.sql

@@ -0,0 +1,2 @@
+CREATE TEMP TABLE tmp AS SELECT 1 as tmp_column;
+SELECT * FROM tmp;

samples/create-temp-table-test/temp_table.sql

@@ -0,0 +1 @@
+CREATE TEMP TABLE tmp AS SELECT 1 as tmp_column;