From a94986f27d26921a09ba66183082c374f6635b6e Mon Sep 17 00:00:00 2001
From: Mergen Imeev <imeevma@gmail.com>
Date: Thu, 26 Aug 2021 15:52:13 +0300
Subject: [PATCH] sql: allow to bind DECIMAL values
After this patch, DECIMAL values can be bound like any other supported
by SQL values.
Closes #4717
---
.../unreleased/gh-4717-binding-for-decimal.md | 3 +++
src/box/bind.c | 6 +++--
src/box/bind.h | 2 ++
src/box/lua/execute.c | 4 ++++
src/box/sql/mem.c | 2 +-
src/box/sql/mem.h | 2 +-
src/box/sql/sqlInt.h | 5 ++++
src/box/sql/vdbeapi.c | 10 ++++++++
test/sql-tap/decimal.test.lua | 23 ++++++++++++++++++-
9 files changed, 52 insertions(+), 5 deletions(-)
create mode 100644 changelogs/unreleased/gh-4717-binding-for-decimal.md
diff --git a/changelogs/unreleased/gh-4717-binding-for-decimal.md b/changelogs/unreleased/gh-4717-binding-for-decimal.md
new file mode 100644
index 0000000000..3612e287d8
--- /dev/null
+++ b/changelogs/unreleased/gh-4717-binding-for-decimal.md
@@ -0,0 +1,3 @@
+## feature/sql
+
+* Now DECIMAL values can be bound in SQL (gh-4717).
diff --git a/src/box/bind.c b/src/box/bind.c
index 734f651863..58fff0b987 100644
--- a/src/box/bind.c
+++ b/src/box/bind.c
@@ -192,8 +192,10 @@ sql_bind_column(struct sql_stmt *stmt, const struct sql_bind *p,
return sql_bind_blob64(stmt, pos, (const void *) p->s, p->bytes,
SQL_STATIC);
case MP_EXT:
- assert(p->ext_type == MP_UUID);
- return sql_bind_uuid(stmt, pos, &p->uuid);
+ assert(p->ext_type == MP_UUID || p->ext_type == MP_DECIMAL);
+ if (p->ext_type == MP_UUID)
+ return sql_bind_uuid(stmt, pos, &p->uuid);
+ return sql_bind_dec(stmt, pos, &p->dec);
default:
unreachable();
}
diff --git a/src/box/bind.h b/src/box/bind.h
index 143f010ced..1ab8ea72d0 100644
--- a/src/box/bind.h
+++ b/src/box/bind.h
@@ -40,6 +40,7 @@ extern "C" {
#include <stdlib.h>
#include "msgpuck.h"
+#include "decimal.h"
#include "uuid/tt_uuid.h"
#include "mp_extension_types.h"
@@ -72,6 +73,7 @@ struct sql_bind {
/** For string or blob. */
const char *s;
struct tt_uuid uuid;
+ decimal_t dec;
};
};
diff --git a/src/box/lua/execute.c b/src/box/lua/execute.c
index 62ccaf3f14..777db82cb6 100644
--- a/src/box/lua/execute.c
+++ b/src/box/lua/execute.c
@@ -375,6 +375,10 @@ lua_sql_bind_decode(struct lua_State *L, struct sql_bind *bind, int idx, int i)
bind->uuid = *field.uuidval;
break;
}
+ if (field.ext_type == MP_DECIMAL) {
+ bind->dec = *field.decval;
+ break;
+ }
diag_set(ClientError, ER_SQL_BIND_TYPE, "USERDATA",
sql_bind_name(bind));
return -1;
diff --git a/src/box/sql/mem.c b/src/box/sql/mem.c
index 4c40f15dc3..24de26548f 100644
--- a/src/box/sql/mem.c
+++ b/src/box/sql/mem.c
@@ -293,7 +293,7 @@ mem_set_double(struct Mem *mem, double value)
}
void
-mem_set_dec(struct Mem *mem, decimal_t *d)
+mem_set_dec(struct Mem *mem, const decimal_t *d)
{
mem_clear(mem);
mem->u.d = *d;
diff --git a/src/box/sql/mem.h b/src/box/sql/mem.h
index 543944b804..0da45b8af5 100644
--- a/src/box/sql/mem.h
+++ b/src/box/sql/mem.h
@@ -312,7 +312,7 @@ mem_set_uuid(struct Mem *mem, const struct tt_uuid *uuid);
/** Clear MEM and set it to DECIMAL. */
void
-mem_set_dec(struct Mem *mem, decimal_t *dec);
+mem_set_dec(struct Mem *mem, const decimal_t *dec);
/** Clear MEM and set it to STRING. The string belongs to another object. */
void
diff --git a/src/box/sql/sqlInt.h b/src/box/sql/sqlInt.h
index d78076868d..2e250dc291 100644
--- a/src/box/sql/sqlInt.h
+++ b/src/box/sql/sqlInt.h
@@ -76,6 +76,8 @@
#include "box/txn.h"
#include "trivia/util.h"
+#include "decimal.h"
+
/*
* These #defines should enable >2GB file support on POSIX if the
* underlying operating system supports it. If the OS lacks
@@ -639,6 +641,9 @@ sql_bind_zeroblob64(sql_stmt *, int,
int
sql_bind_uuid(struct sql_stmt *stmt, int i, const struct tt_uuid *uuid);
+int
+sql_bind_dec(struct sql_stmt *stmt, int i, const decimal_t *dec);
+
/**
* Return the number of wildcards that should be bound to.
*/
diff --git a/src/box/sql/vdbeapi.c b/src/box/sql/vdbeapi.c
index 8031ee0dc1..77df0e4cc2 100644
--- a/src/box/sql/vdbeapi.c
+++ b/src/box/sql/vdbeapi.c
@@ -850,6 +850,16 @@ sql_bind_uuid(struct sql_stmt *stmt, int i, const struct tt_uuid *uuid)
return 0;
}
+int
+sql_bind_dec(struct sql_stmt *stmt, int i, const decimal_t *dec)
+{
+ struct Vdbe *p = (struct Vdbe *)stmt;
+ if (vdbeUnbind(p, i) != 0 || sql_bind_type(p, i, "decimal") != 0)
+ return -1;
+ mem_set_dec(&p->aVar[i - 1], dec);
+ return 0;
+}
+
int
sql_bind_parameter_count(const struct sql_stmt *stmt)
{
diff --git a/test/sql-tap/decimal.test.lua b/test/sql-tap/decimal.test.lua
index 69288d696e..d422533d69 100755
--- a/test/sql-tap/decimal.test.lua
+++ b/test/sql-tap/decimal.test.lua
@@ -3,7 +3,7 @@ local build_path = os.getenv("BUILDDIR")
package.cpath = build_path..'/test/sql-tap/?.so;'..build_path..'/test/sql-tap/?.dylib;'..package.cpath
local test = require("sqltester")
-test:plan(101)
+test:plan(104)
local dec = require("decimal")
local dec1 = dec.new("111")
@@ -938,6 +938,27 @@ test:do_catchsql_test(
1, "Inconsistent types: expected string or varbinary got decimal(111)"
})
+-- Make sure that DECIMAL value can be bound.
+test:do_test(
+ "dec-16-1",
+ function()
+ return box.execute([[SELECT ?;]], {dec1}).rows[1][1]
+ end,
+ dec1)
+test:do_test(
+ "dec-16-2",
+ function()
+ return box.execute([[SELECT $2;]], {123, dec2}).rows[1][1]
+ end,
+ dec2)
+
+test:do_test(
+ "dec-16-3",
+ function()
+ return box.execute([[SELECT :two;]], {{[":two"] = dec3}}).rows[1][1]
+ end,
+ dec3)
+
test:execsql([[
DROP TRIGGER t;
DROP VIEW v;
--
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