Manual SQL Macros

Author: lmangani

aliases.sql

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+-- Type conversion macros
+CREATE OR REPLACE MACRO toString(expr) AS CAST(expr AS VARCHAR);
+CREATE OR REPLACE MACRO toInt8(expr) AS CAST(expr AS INT8);
+CREATE OR REPLACE MACRO toInt16(expr) AS CAST(expr AS INT16);
+CREATE OR REPLACE MACRO toInt32(expr) AS CAST(expr AS INT32);
+CREATE OR REPLACE MACRO toInt64(expr) AS CAST(expr AS INT64);
+CREATE OR REPLACE MACRO toInt128(expr) AS CAST(expr AS INT128);
+CREATE OR REPLACE MACRO toInt256(expr) AS CAST(expr AS HUGEINT);
+-- Type conversion with default values
+CREATE OR REPLACE MACRO toInt8OrZero(expr) AS COALESCE(TRY_CAST(expr AS INT8), 0);
+CREATE OR REPLACE MACRO toInt16OrZero(expr) AS COALESCE(TRY_CAST(expr AS INT16), 0);
+CREATE OR REPLACE MACRO toInt32OrZero(expr) AS COALESCE(TRY_CAST(expr AS INT32), 0);
+CREATE OR REPLACE MACRO toInt64OrZero(expr) AS COALESCE(TRY_CAST(expr AS INT64), 0);
+CREATE OR REPLACE MACRO toInt128OrZero(expr) AS COALESCE(TRY_CAST(expr AS INT128), 0);
+CREATE OR REPLACE MACRO toInt256OrZero(expr) AS COALESCE(TRY_CAST(expr AS HUGEINT), 0);
+CREATE OR REPLACE MACRO toInt8OrNull(expr) AS TRY_CAST(expr AS INT8);
+CREATE OR REPLACE MACRO toInt16OrNull(expr) AS TRY_CAST(expr AS INT16);
+CREATE OR REPLACE MACRO toInt32OrNull(expr) AS TRY_CAST(expr AS INT32);
+CREATE OR REPLACE MACRO toInt64OrNull(expr) AS TRY_CAST(expr AS INT64);
+CREATE OR REPLACE MACRO toInt128OrNull(expr) AS TRY_CAST(expr AS INT128);
+CREATE OR REPLACE MACRO toInt256OrNull(expr) AS TRY_CAST(expr AS HUGEINT);
+-- Unsigned integer conversion macros
+CREATE OR REPLACE MACRO toUInt8(expr) AS CAST(expr AS UTINYINT);
+CREATE OR REPLACE MACRO toUInt16(expr) AS CAST(expr AS USMALLINT);
+CREATE OR REPLACE MACRO toUInt32(expr) AS CAST(expr AS UINTEGER);
+CREATE OR REPLACE MACRO toUInt64(expr) AS CAST(expr AS UBIGINT);
+-- Unsigned integer conversion with default values
+CREATE OR REPLACE MACRO toUInt8OrZero(expr) AS COALESCE(TRY_CAST(expr AS UTINYINT), 0);
+CREATE OR REPLACE MACRO toUInt16OrZero(expr) AS COALESCE(TRY_CAST(expr AS USMALLINT), 0);
+CREATE OR REPLACE MACRO toUInt32OrZero(expr) AS COALESCE(TRY_CAST(expr AS UINTEGER), 0);
+CREATE OR REPLACE MACRO toUInt64OrZero(expr) AS COALESCE(TRY_CAST(expr AS UBIGINT), 0);
+CREATE OR REPLACE MACRO toUInt8OrNull(expr) AS TRY_CAST(expr AS UTINYINT);
+CREATE OR REPLACE MACRO toUInt16OrNull(expr) AS TRY_CAST(expr AS USMALLINT);
+CREATE OR REPLACE MACRO toUInt32OrNull(expr) AS TRY_CAST(expr AS UINTEGER);
+CREATE OR REPLACE MACRO toUInt64OrNull(expr) AS TRY_CAST(expr AS UBIGINT);
+-- Floating-point conversion macros
+CREATE OR REPLACE MACRO toFloat(expr) AS CAST(expr AS DOUBLE);
+CREATE OR REPLACE MACRO toFloatOrNull(expr) AS TRY_CAST(expr AS DOUBLE);
+CREATE OR REPLACE MACRO toFloatOrZero(expr) AS COALESCE(TRY_CAST(expr AS DOUBLE), 0);
+-- Arithmetic macros
+CREATE OR REPLACE MACRO intDiv(a, b) AS (a / b);
+CREATE OR REPLACE MACRO intDivOrZero(a, b) AS COALESCE((a / b), 0);
+-- String matching macro
+CREATE OR REPLACE MACRO match(string, token) AS (string LIKE token);
+-- Array macros
+CREATE OR REPLACE MACRO arrayExists(needle, haystack) AS (haystack @> ARRAY[needle]);
+CREATE OR REPLACE MACRO arrayMap(e, arr) AS (array_transform(arr, e -> (e * e)));