Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix error when first argument of replace function is const #9615

Merged
merged 13 commits into from
Nov 18, 2024
Merged

fix error when first argument of replace function is const #9615

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
13 commits
Select commit Hold shift + click to select a range
9428610
fix when first argument of replace function is column const
guo-shaoge Nov 14, 2024
9f61b0e
fix
guo-shaoge Nov 14, 2024
ba80e35
fmt
guo-shaoge Nov 15, 2024
0f7faf8
fix
guo-shaoge Nov 15, 2024
4b56d6d
refine
guo-shaoge Nov 15, 2024
6a1a480
fix
guo-shaoge Nov 15, 2024
f02a230
fix
guo-shaoge Nov 15, 2024
571e2dc
fix
guo-shaoge Nov 15, 2024
a2b914e
refine
guo-shaoge Nov 15, 2024
284e46b
refine
guo-shaoge Nov 15, 2024
7a2f869
fix
guo-shaoge Nov 15, 2024
eb65b34
unit test
guo-shaoge Nov 18, 2024
13b6ef2
Merge branch 'master' into fix_replace
ti-chi-bot[bot] Nov 18, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
208 changes: 84 additions & 124 deletions dbms/src/Functions/FunctionsStringReplace.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <Functions/FunctionHelpers.h>
#include <Functions/GatherUtils/Algorithms.h>
#include <Functions/GatherUtils/Sources.h>
#include <Functions/IFunction.h>

namespace DB
Expand All @@ -41,30 +43,10 @@ class FunctionStringReplace : public IFunction

String getName() const override { return name; }

size_t getNumberOfArguments() const override { return 0; }
size_t getNumberOfArguments() const override { return 3; }

bool isVariadic() const override { return true; }
bool isVariadic() const override { return false; }
bool useDefaultImplementationForConstants() const override { return true; }
ColumnNumbers getArgumentsThatAreAlwaysConstant() const override
{
if constexpr (Impl::support_non_const_needle && Impl::support_non_const_replacement)
{
return {3, 4, 5};
}
else if constexpr (Impl::support_non_const_needle)
{
return {2, 3, 4, 5};
}
else if constexpr (Impl::support_non_const_replacement)
{
return {1, 3, 4, 5};
}
else
{
return {1, 2, 3, 4, 5};
}
}
void setCollator(const TiDB::TiDBCollatorPtr & collator_) override { collator = collator_; }

DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{
Expand All @@ -83,84 +65,45 @@ class FunctionStringReplace : public IFunction
"Illegal type " + arguments[2]->getName() + " of third argument of function " + getName(),
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);

if (arguments.size() > 3 && !arguments[3]->isInteger())
throw Exception(
"Illegal type " + arguments[2]->getName() + " of forth argument of function " + getName(),
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);

if (arguments.size() > 4 && !arguments[4]->isInteger())
throw Exception(
"Illegal type " + arguments[2]->getName() + " of fifth argument of function " + getName(),
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);

if (arguments.size() > 5 && !arguments[5]->isStringOrFixedString())
throw Exception(
"Illegal type " + arguments[2]->getName() + " of sixth argument of function " + getName(),
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);

return std::make_shared<DataTypeString>();
}

void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result) const override
{
const ColumnPtr & column_src = block.getByPosition(arguments[0]).column;
const ColumnPtr & column_needle = block.getByPosition(arguments[1]).column;
const ColumnPtr & column_replacement = block.getByPosition(arguments[2]).column;
const ColumnPtr column_pos = arguments.size() > 3 ? block.getByPosition(arguments[3]).column : nullptr;
const ColumnPtr column_occ = arguments.size() > 4 ? block.getByPosition(arguments[4]).column : nullptr;
const ColumnPtr column_match_type = arguments.size() > 5 ? block.getByPosition(arguments[5]).column : nullptr;

if ((column_pos != nullptr && !column_pos->isColumnConst())
|| (column_occ != nullptr && !column_occ->isColumnConst())
|| (column_match_type != nullptr && !column_match_type->isColumnConst()))
throw Exception("4th, 5th, 6th arguments of function " + getName() + " must be constants.");
Int64 pos = column_pos == nullptr ? 1 : typeid_cast<const ColumnConst *>(column_pos.get())->getInt(0);
Int64 occ = column_occ == nullptr ? 0 : typeid_cast<const ColumnConst *>(column_occ.get())->getInt(0);
String match_type = column_match_type == nullptr
? ""
: typeid_cast<const ColumnConst *>(column_match_type.get())->getValue<String>();
ColumnPtr column_src = block.getByPosition(arguments[0]).column;
ColumnPtr column_needle = block.getByPosition(arguments[1]).column;
ColumnPtr column_replacement = block.getByPosition(arguments[2]).column;

ColumnWithTypeAndName & column_result = block.getByPosition(result);

bool needle_const = column_needle->isColumnConst();
bool replacement_const = column_replacement->isColumnConst();

if (needle_const && replacement_const)
{
executeImpl(column_src, column_needle, column_replacement, pos, occ, match_type, column_result);
}
else if (needle_const)
if (column_src->isColumnConst())
{
executeImplNonConstReplacement(
executeImplConstHaystack(
column_src,
column_needle,
column_replacement,
pos,
occ,
match_type,
needle_const,
replacement_const,
column_result);
}
else if (needle_const && replacement_const)
{
executeImpl(column_src, column_needle, column_replacement, column_result);
}
else if (needle_const)
{
executeImplNonConstReplacement(column_src, column_needle, column_replacement, column_result);
}
else if (replacement_const)
{
executeImplNonConstNeedle(
column_src,
column_needle,
column_replacement,
pos,
occ,
match_type,
column_result);
executeImplNonConstNeedle(column_src, column_needle, column_replacement, column_result);
}
else
{
executeImplNonConstNeedleReplacement(
column_src,
column_needle,
column_replacement,
pos,
occ,
match_type,
column_result);
executeImplNonConstNeedleReplacement(column_src, column_needle, column_replacement, column_result);
}
}

Expand All @@ -169,9 +112,6 @@ class FunctionStringReplace : public IFunction
const ColumnPtr & column_src,
const ColumnPtr & column_needle,
const ColumnPtr & column_replacement,
Int64 pos,
Int64 occ,
const String & match_type,
ColumnWithTypeAndName & column_result) const
{
const auto * c1_const = typeid_cast<const ColumnConst *>(column_needle.get());
Expand All @@ -187,10 +127,6 @@ class FunctionStringReplace : public IFunction
col->getOffsets(),
needle,
replacement,
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -203,10 +139,6 @@ class FunctionStringReplace : public IFunction
col->getN(),
needle,
replacement,
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -217,13 +149,73 @@ class FunctionStringReplace : public IFunction
ErrorCodes::ILLEGAL_COLUMN);
}

void executeImplConstHaystack(
const ColumnPtr & column_src,
const ColumnPtr & column_needle,
const ColumnPtr & column_replacement,
bool needle_const,
bool replacement_const,
ColumnWithTypeAndName & column_result) const
{
auto res_col = ColumnString::create();
res_col->reserve(column_src->size());

RUNTIME_CHECK_MSG(
!needle_const || !replacement_const,
"should not got here when all argments of replace are constant");

const auto * column_src_const = checkAndGetColumnConst<ColumnString>(column_src.get());
RUNTIME_CHECK(column_src_const);

using GatherUtils::ConstSource;
using GatherUtils::StringSource;
if (!needle_const && !replacement_const)
{
const auto * column_needle_string = checkAndGetColumn<ColumnString>(column_needle.get());
const auto * column_replacement_string = checkAndGetColumn<ColumnString>(column_replacement.get());
RUNTIME_CHECK(column_needle_string);
RUNTIME_CHECK(column_replacement_string);

GatherUtils::replace<Impl>(
ConstSource<StringSource>(*column_src_const),
StringSource(*column_needle_string),
StringSource(*column_replacement_string),
res_col);
}
else if (needle_const && !replacement_const)
{
const auto * column_needle_const = checkAndGetColumnConst<ColumnString>(column_needle.get());
const auto * column_replacement_string = checkAndGetColumn<ColumnString>(column_replacement.get());
RUNTIME_CHECK(column_needle_const);
RUNTIME_CHECK(column_replacement_string);

GatherUtils::replace<Impl>(
ConstSource<StringSource>(*column_src_const),
ConstSource<StringSource>(*column_needle_const),
StringSource(*column_replacement_string),
res_col);
}
else if (!needle_const && replacement_const)
{
const auto * column_needle_string = checkAndGetColumn<ColumnString>(column_needle.get());
const auto * column_replacement_const = checkAndGetColumnConst<ColumnString>(column_replacement.get());
RUNTIME_CHECK(column_needle_string);
RUNTIME_CHECK(column_replacement_const);

GatherUtils::replace<Impl>(
ConstSource<StringSource>(*column_src_const),
StringSource(*column_needle_string),
ConstSource<StringSource>(*column_replacement_const),
res_col);
}

column_result.column = std::move(res_col);
}

void executeImplNonConstNeedle(
const ColumnPtr & column_src,
const ColumnPtr & column_needle,
const ColumnPtr & column_replacement,
Int64 pos [[maybe_unused]],
Int64 occ [[maybe_unused]],
const String & match_type,
ColumnWithTypeAndName & column_result) const
{
if constexpr (Impl::support_non_const_needle)
Expand All @@ -241,10 +233,6 @@ class FunctionStringReplace : public IFunction
col_needle->getChars(),
col_needle->getOffsets(),
replacement,
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -258,10 +246,6 @@ class FunctionStringReplace : public IFunction
col_needle->getChars(),
col_needle->getOffsets(),
replacement,
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -281,9 +265,6 @@ class FunctionStringReplace : public IFunction
const ColumnPtr & column_src,
const ColumnPtr & column_needle,
const ColumnPtr & column_replacement,
Int64 pos [[maybe_unused]],
Int64 occ [[maybe_unused]],
const String & match_type,
ColumnWithTypeAndName & column_result) const
{
if constexpr (Impl::support_non_const_replacement)
Expand All @@ -301,10 +282,6 @@ class FunctionStringReplace : public IFunction
needle,
col_replacement->getChars(),
col_replacement->getOffsets(),
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -318,10 +295,6 @@ class FunctionStringReplace : public IFunction
needle,
col_replacement->getChars(),
col_replacement->getOffsets(),
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -341,9 +314,6 @@ class FunctionStringReplace : public IFunction
const ColumnPtr & column_src,
const ColumnPtr & column_needle,
const ColumnPtr & column_replacement,
Int64 pos [[maybe_unused]],
Int64 occ [[maybe_unused]],
const String & match_type,
ColumnWithTypeAndName & column_result) const
{
if constexpr (Impl::support_non_const_needle && Impl::support_non_const_replacement)
Expand All @@ -361,10 +331,6 @@ class FunctionStringReplace : public IFunction
col_needle->getOffsets(),
col_replacement->getChars(),
col_replacement->getOffsets(),
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -379,10 +345,6 @@ class FunctionStringReplace : public IFunction
col_needle->getOffsets(),
col_replacement->getChars(),
col_replacement->getOffsets(),
pos,
occ,
match_type,
collator,
col_res->getChars(),
col_res->getOffsets());
column_result.column = std::move(col_res);
Expand All @@ -399,7 +361,5 @@ class FunctionStringReplace : public IFunction
ErrorCodes::ILLEGAL_COLUMN);
}
}

TiDB::TiDBCollatorPtr collator{};
};
} // namespace DB
Loading