sqlite: supported between expr (#1958) (#1967)

internal/endtoend/testdata/between_args/sqlite/query.sql

@@ -0,0 +1,19 @@
+CREATE TABLE products (
+    name        TEXT    NOT NULL,
+    price       INT     NOT NULL
+);
+
+-- name: GetBetweenPrices :many
+SELECT  *
+FROM    products
+WHERE   price BETWEEN ? AND ?;
+
+-- name: GetBetweenPricesTable :many
+SELECT  *
+FROM    products
+WHERE   products.price BETWEEN ? AND ?;
+
+-- name: GetBetweenPricesTableAlias :many
+SELECT  *
+FROM    products as p
+WHERE   p.price BETWEEN ? AND ?;

internal/endtoend/testdata/between_args/sqlite/sqlc.json

@@ -0,0 +1,12 @@
+{
+	"version": "1",
+	"packages": [
+		{
+			"path": "go",
+			"engine": "sqlite",
+			"name": "querytest",
+			"schema": "query.sql",
+			"queries": "query.sql"
+	  	}
+	]
+}

internal/engine/sqlite/convert.go

@@ -767,6 +767,16 @@ func (c *cc) convertUpdate_stmtContext(n *parser.Update_stmtContext) ast.Node {
 	}
 }
 
+func (c *cc) convertBetweenExpr(n *parser.Expr_betweenContext) ast.Node {
+	return &ast.BetweenExpr{
+		Expr:     c.convert(n.Expr(0)),
+		Left:     c.convert(n.Expr(1)),
+		Right:    c.convert(n.Expr(2)),
+		Location: n.GetStart().GetStart(),
+		Not:      n.NOT_() != nil,
+	}
+}
+
 func (c *cc) convert(node node) ast.Node {
 	switch n := node.(type) {
 
@@ -815,6 +825,9 @@ func (c *cc) convert(node node) ast.Node {
 	case *parser.Expr_in_selectContext:
 		return c.convertInSelectNode(n)
 
+	case *parser.Expr_betweenContext:
+		return c.convertBetweenExpr(n)
+
 	case *parser.Factored_select_stmtContext:
 		// TODO: need to handle this
 		return todo(n)