Merge pull request #27830 from zhanglistar/master

Add sha512 hash functions

docker/test/fasttest/run.sh

@@ -303,6 +303,7 @@ function run_tests
         01683_codec_encrypted                   # Depends on OpenSSL
         01776_decrypt_aead_size_check           # Depends on OpenSSL
         01811_filter_by_null                    # Depends on OpenSSL
+        02012_sha512_fixedstring                # Depends on OpenSSL
         01281_unsucceeded_insert_select_queries_counter
         01292_create_user
         01294_lazy_database_concurrent

docs/en/sql-reference/functions/hash-functions.md

@@ -143,7 +143,9 @@ It works faster than intHash32. Average quality.
 
 ## SHA256 {#sha256}
 
-Calculates SHA-1, SHA-224, or SHA-256 from a string and returns the resulting set of bytes as FixedString(20), FixedString(28), or FixedString(32).
+## SHA512 {#sha512}
+
+Calculates SHA-1, SHA-224, SHA-256 or SHA-512 from a string and returns the resulting set of bytes as FixedString(20), FixedString(28), FixedString(32), or FixedString(64).
 The function works fairly slowly (SHA-1 processes about 5 million short strings per second per processor core, while SHA-224 and SHA-256 process about 2.2 million).
 We recommend using this function only in cases when you need a specific hash function and you can’t select it.
 Even in these cases, we recommend applying the function offline and pre-calculating values when inserting them into the table, instead of applying it in SELECTS.

src/Functions/FunctionsHashing.cpp

@@ -14,6 +14,7 @@ void registerFunctionsHashing(FunctionFactory & factory)
     factory.registerFunction<FunctionSHA1>();
     factory.registerFunction<FunctionSHA224>();
     factory.registerFunction<FunctionSHA256>();
+    factory.registerFunction<FunctionSHA512>();
 #endif
     factory.registerFunction<FunctionSipHash64>();
     factory.registerFunction<FunctionSipHash128>();

src/Functions/FunctionsHashing.h

@@ -193,6 +193,20 @@ struct SHA256Impl
         SHA256_Final(out_char_data, &ctx);
     }
 };
+
+struct SHA512Impl
+{
+    static constexpr auto name = "SHA512";
+    enum { length = 64 };
+
+    static void apply(const char * begin, const size_t size, unsigned char * out_char_data)
+    {
+        SHA512_CTX ctx;
+        SHA512_Init(&ctx);
+        SHA512_Update(&ctx, reinterpret_cast<const unsigned char *>(begin), size);
+        SHA512_Final(out_char_data, &ctx);
+    }
+};
 #endif
 
 struct SipHash64Impl
@@ -1318,6 +1332,7 @@ using FunctionMD5 = FunctionStringHashFixedString<MD5Impl>;
 using FunctionSHA1 = FunctionStringHashFixedString<SHA1Impl>;
 using FunctionSHA224 = FunctionStringHashFixedString<SHA224Impl>;
 using FunctionSHA256 = FunctionStringHashFixedString<SHA256Impl>;
+using FunctionSHA512 = FunctionStringHashFixedString<SHA512Impl>;
 #endif
 using FunctionSipHash128 = FunctionStringHashFixedString<SipHash128Impl>;
 using FunctionCityHash64 = FunctionAnyHash<ImplCityHash64>;

tests/queries/0_stateless/02012_sha512_fixedstring.reference

@@ -0,0 +1,22 @@
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tests/queries/0_stateless/02012_sha512_fixedstring.sql

@@ -0,0 +1,14 @@
+SELECT hex(SHA512(''));
+SELECT hex(SHA512('abc'));
+
+DROP TABLE IF EXISTS defaults;
+CREATE TABLE defaults
+(
+    s FixedString(20)
+)ENGINE = Memory();
+
+INSERT INTO defaults SELECT s FROM generateRandom('s FixedString(20)', 1, 1, 1) LIMIT 20;
+
+SELECT hex(SHA512(s)) FROM defaults;
+
+DROP TABLE defaults;