From 3816664396a30b68e6e1952d3a4368962057ad31 Mon Sep 17 00:00:00 2001
From: Sergey Nuyanzin <snuyanzin@gmail.com>
Date: Fri, 15 May 2026 17:52:10 +0200
Subject: [PATCH] [CALCITE-7531] Add to `BasicSqlType` constructor accepting
 precision, scale and nullability

---
 .../org/apache/calcite/sql/type/BasicSqlType.java  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/core/src/main/java/org/apache/calcite/sql/type/BasicSqlType.java b/core/src/main/java/org/apache/calcite/sql/type/BasicSqlType.java
index e8e9332d6197..b322c4eaa82e 100644
--- a/core/src/main/java/org/apache/calcite/sql/type/BasicSqlType.java
+++ b/core/src/main/java/org/apache/calcite/sql/type/BasicSqlType.java
@@ -76,6 +76,20 @@ public BasicSqlType(RelDataTypeSystem typeSystem, SqlTypeName typeName,
       int precision) {
     this(typeSystem, typeName, false, precision, SCALE_NOT_SPECIFIED, null,
         null);
+  }
+
+  /**
+   * Constructs a type with precision/length and nullability.
+   *
+   * @param typeSystem Type system
+   * @param typeName Type name
+   * @param isNullable Whether the type is nullable
+   * @param precision Precision (called length for some types)
+   */
+  public BasicSqlType(RelDataTypeSystem typeSystem, SqlTypeName typeName,
+      boolean isNullable, int precision) {
+    this(typeSystem, typeName, isNullable, precision, SCALE_NOT_SPECIFIED,
+        null, null);
     checkPrecScale(typeName, true, false);
   }