bump version to 0.1.7

Author: emrberk

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Changelog
 
 
+## 0.1.7 - 2026.04.13
+### Added
+- LATERAL JOIN support: `{INNER|LEFT|CROSS} JOIN LATERAL (subquery)` and standalone `FROM t, LATERAL (subquery)` [6e5e5e7](https://github.com/questdb/sql-parser/commit/6e5e5e7)
+- UNNEST support including JSON UNNEST [6e5e5e7](https://github.com/questdb/sql-parser/commit/6e5e5e7)
+- PARQUET column config in CREATE/ALTER table statements [6e5e5e7](https://github.com/questdb/sql-parser/commit/6e5e5e7)
+
+
 ## 0.1.6 - 2026.03.26
 ### Changed
 - remove quoted identifier suppression [#17](https://github.com/questdb/sql-parser/pull/17)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@questdb/sql-parser",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "description": "SQL parser for QuestDB syntax using Chevrotain",
   "type": "module",
   "main": "dist/index.cjs",

src/parser/visitor.ts

@@ -207,6 +207,17 @@ class QuestDBVisitor extends BaseVisitor {
     return token?.image ?? ""
   }
 
+  /** Return the image of the first token found in a single-alternative CST children record. */
+  private firstTokenImage(ctx: CstChildrenRecord): string | undefined {
+    for (const key of Object.keys(ctx)) {
+      const tokens = (ctx as Record<string, IToken[]>)[key]
+      if (Array.isArray(tokens) && tokens.length > 0 && tokens[0].image) {
+        return tokens[0].image
+      }
+    }
+    return undefined
+  }
+
   // ==========================================================================
   // Entry Points
   // ==========================================================================
@@ -599,9 +610,7 @@ class QuestDBVisitor extends BaseVisitor {
   unnestClause(ctx: UnnestClauseCstChildren): AST.TableRef {
     const unnest: AST.UnnestSource = {
       type: "unnest",
-      args: ctx.unnestArg.map(
-        (a: CstNode) => this.visit(a) as AST.UnnestArg,
-      ),
+      args: ctx.unnestArg.map((a: CstNode) => this.visit(a) as AST.UnnestArg),
     }
     if (ctx.With && ctx.Ordinality) {
       unnest.withOrdinality = true
@@ -1341,7 +1350,9 @@ class QuestDBVisitor extends BaseVisitor {
   parquetConfig(ctx: ParquetConfigCstChildren): AST.ParquetConfig {
     const result: AST.ParquetConfig = { type: "parquetConfig" }
     if (ctx.parquetEncoding) {
-      result.encoding = (this.visit(ctx.parquetEncoding) as string).toUpperCase()
+      result.encoding = (
+        this.visit(ctx.parquetEncoding) as string
+      ).toUpperCase()
     }
     if (ctx.parquetCompression) {
       result.compression = (
@@ -1358,24 +1369,11 @@ class QuestDBVisitor extends BaseVisitor {
   }
 
   parquetEncoding(ctx: ParquetEncodingCstChildren): string {
-    // Find the first token present in the context
-    for (const key of Object.keys(ctx)) {
-      const val = (ctx as Record<string, unknown>)[key]
-      if (Array.isArray(val) && val.length > 0 && val[0].image) {
-        return val[0].image.toUpperCase()
-      }
-    }
-    return "DEFAULT"
+    return this.firstTokenImage(ctx)?.toUpperCase() ?? "DEFAULT"
   }
 
   parquetCompression(ctx: ParquetCompressionCstChildren): string {
-    for (const key of Object.keys(ctx)) {
-      const val = (ctx as Record<string, unknown>)[key]
-      if (Array.isArray(val) && val.length > 0 && val[0].image) {
-        return val[0].image.toUpperCase()
-      }
-    }
-    return ""
+    return this.firstTokenImage(ctx)?.toUpperCase() ?? ""
   }
 
   castDefinition(ctx: CastDefinitionCstChildren): AST.CastDefinition {
@@ -1945,9 +1943,7 @@ class QuestDBVisitor extends BaseVisitor {
           actionType: "alterColumn",
           column,
           alterType: "setParquet",
-          parquetConfig: this.visit(
-            ctx.parquetConfig,
-          ) as AST.ParquetConfig,
+          parquetConfig: this.visit(ctx.parquetConfig) as AST.ParquetConfig,
         } as AST.AlterColumnAction
       }
 

tests/parser.test.ts

@@ -619,9 +619,7 @@ describe("QuestDB Parser", () => {
     })
 
     it("should parse UNNEST with bare alias and no column aliases", () => {
-      const result = parseToAst(
-        "SELECT u.value FROM UNNEST(ARRAY[1, 2, 3]) u",
-      )
+      const result = parseToAst("SELECT u.value FROM UNNEST(ARRAY[1, 2, 3]) u")
       expect(result.errors).toHaveLength(0)
       const stmt = result.ast[0]
       if (stmt.type === "select") {
@@ -2075,9 +2073,7 @@ describe("QuestDB Parser", () => {
             "DELTA_LENGTH_BYTE_ARRAY",
           )
           // Column without PARQUET
-          expect(
-            result.ast[0].columns?.[3].parquetConfig,
-          ).toBeUndefined()
+          expect(result.ast[0].columns?.[3].parquetConfig).toBeUndefined()
         }
       })