Impala
Impalaistheopensource,nativeanalyticdatabaseforApacheHadoop.
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros
Static Public Member Functions | List of all members
impala::StringFunctions Class Reference

#include <string-functions.h>

Collaboration diagram for impala::StringFunctions:

Static Public Member Functions

static StringVal Substring (FunctionContext *, const StringVal &str, const BigIntVal &pos, const BigIntVal &len)
 
static StringVal Substring (FunctionContext *, const StringVal &str, const BigIntVal &pos)
 
static StringVal Left (FunctionContext *, const StringVal &str, const BigIntVal &len)
 
static StringVal Right (FunctionContext *, const StringVal &str, const BigIntVal &len)
 
static StringVal Space (FunctionContext *, const BigIntVal &len)
 
static StringVal Repeat (FunctionContext *, const StringVal &str, const BigIntVal &n)
 
static StringVal Lpad (FunctionContext *, const StringVal &str, const BigIntVal &len, const StringVal &pad)
 
static StringVal Rpad (FunctionContext *, const StringVal &str, const BigIntVal &, const StringVal &pad)
 
static IntVal Length (FunctionContext *, const StringVal &str)
 
static IntVal CharLength (FunctionContext *, const StringVal &str)
 
static StringVal Lower (FunctionContext *, const StringVal &str)
 
static StringVal Upper (FunctionContext *, const StringVal &str)
 
static StringVal InitCap (FunctionContext *, const StringVal &str)
 
static StringVal Reverse (FunctionContext *, const StringVal &str)
 
static StringVal Translate (FunctionContext *, const StringVal &str, const StringVal &src, const StringVal &dst)
 
static StringVal Trim (FunctionContext *, const StringVal &str)
 
static StringVal Ltrim (FunctionContext *, const StringVal &str)
 
static StringVal Rtrim (FunctionContext *, const StringVal &str)
 
static IntVal Ascii (FunctionContext *, const StringVal &str)
 
static IntVal Instr (FunctionContext *, const StringVal &str, const StringVal &substr)
 
static IntVal Locate (FunctionContext *, const StringVal &substr, const StringVal &str)
 
static IntVal LocatePos (FunctionContext *, const StringVal &substr, const StringVal &str, const BigIntVal &start_pos)
 
static void RegexpPrepare (FunctionContext *, FunctionContext::FunctionStateScope)
 
static void RegexpClose (FunctionContext *, FunctionContext::FunctionStateScope)
 
static StringVal RegexpExtract (FunctionContext *, const StringVal &str, const StringVal &pattern, const BigIntVal &index)
 
static StringVal RegexpReplace (FunctionContext *, const StringVal &str, const StringVal &pattern, const StringVal &replace)
 
static StringVal Concat (FunctionContext *, int num_children, const StringVal *strs)
 
static StringVal ConcatWs (FunctionContext *, const StringVal &sep, int num_children, const StringVal *strs)
 
static IntVal FindInSet (FunctionContext *, const StringVal &str, const StringVal &str_set)
 
static void ParseUrlPrepare (FunctionContext *, FunctionContext::FunctionStateScope)
 
static StringVal ParseUrl (FunctionContext *, const StringVal &url, const StringVal &part)
 
static StringVal ParseUrlKey (FunctionContext *, const StringVal &url, const StringVal &key, const StringVal &part)
 
static void ParseUrlClose (FunctionContext *, FunctionContext::FunctionStateScope)
 

Detailed Description

Definition at line 30 of file string-functions.h.

Member Function Documentation

IntVal impala::StringFunctions::Ascii ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 265 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::IntVal::null(), and impala_udf::StringVal::ptr.

IntVal impala::StringFunctions::CharLength ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 148 of file string-functions.cc.

References impala_udf::FunctionContext::GetArgType(), impala_udf::AnyVal::is_null, impala_udf::FunctionContext::TypeDesc::len, impala_udf::IntVal::null(), impala_udf::StringVal::ptr, impala_udf::FunctionContext::TypeDesc::type, and impala_udf::FunctionContext::TYPE_FIXED_BUFFER.

StringVal impala::StringFunctions::Concat ( FunctionContext *  context,
int  num_children,
const StringVal *  strs 
)
static

Definition at line 409 of file string-functions.cc.

StringVal impala::StringFunctions::ConcatWs ( FunctionContext *  context,
const StringVal &  sep,
int  num_children,
const StringVal *  strs 
)
static

Definition at line 414 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

IntVal impala::StringFunctions::FindInSet ( FunctionContext *  context,
const StringVal &  str,
const StringVal &  str_set 
)
static

Definition at line 445 of file string-functions.cc.

References impala::StringValue::Eq(), impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::IntVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::InitCap ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 177 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

IntVal impala::StringFunctions::Instr ( FunctionContext *  context,
const StringVal &  str,
const StringVal &  substr 
)
static

Definition at line 271 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::IntVal::null(), and impala::StringSearch::Search().

StringVal impala::StringFunctions::Left ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  len 
)
static

Definition at line 60 of file string-functions.cc.

IntVal impala::StringFunctions::Length ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 143 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, and impala_udf::IntVal::null().

Referenced by impala::Expr::InitBuiltinsDummy().

IntVal impala::StringFunctions::Locate ( FunctionContext *  context,
const StringVal &  substr,
const StringVal &  str 
)
static

Definition at line 281 of file string-functions.cc.

IntVal impala::StringFunctions::LocatePos ( FunctionContext *  context,
const StringVal &  substr,
const StringVal &  str,
const BigIntVal &  start_pos 
)
static

Definition at line 286 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::IntVal::null(), impala_udf::StringVal::ptr, impala::StringSearch::Search(), and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Lower ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 155 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::Lpad ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  len,
const StringVal &  pad 
)
static

Definition at line 94 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), impala_udf::StringVal::ptr, and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Ltrim ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 243 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::ParseUrl ( FunctionContext *  ctx,
const StringVal &  url,
const StringVal &  part 
)
static

Definition at line 491 of file string-functions.cc.

References impala_udf::FunctionContext::AddWarning(), impala_udf::FunctionContext::FRAGMENT_LOCAL, impala_udf::FunctionContext::GetFunctionState(), impala_udf::AnyVal::is_null, impala_udf::FunctionContext::IsArgConstant(), impala_udf::StringVal::null(), and impala::StringValue::ToStringVal().

void impala::StringFunctions::ParseUrlClose ( FunctionContext *  ctx,
FunctionContext::FunctionStateScope  scope 
)
static

Definition at line 522 of file string-functions.cc.

References impala_udf::FunctionContext::FRAGMENT_LOCAL, and impala_udf::FunctionContext::GetFunctionState().

StringVal impala::StringFunctions::ParseUrlKey ( FunctionContext *  ctx,
const StringVal &  url,
const StringVal &  key,
const StringVal &  part 
)
static

Definition at line 531 of file string-functions.cc.

References impala_udf::FunctionContext::AddWarning(), impala_udf::FunctionContext::FRAGMENT_LOCAL, impala_udf::FunctionContext::GetFunctionState(), impala_udf::AnyVal::is_null, impala_udf::FunctionContext::IsArgConstant(), impala_udf::StringVal::null(), and impala::StringValue::ToStringVal().

void impala::StringFunctions::ParseUrlPrepare ( FunctionContext *  ctx,
FunctionContext::FunctionStateScope  scope 
)
static

Definition at line 471 of file string-functions.cc.

References impala_udf::FunctionContext::FRAGMENT_LOCAL, impala_udf::FunctionContext::GetArgType(), impala_udf::FunctionContext::GetConstantArg(), impala_udf::FunctionContext::IsArgConstant(), impala_udf::FunctionContext::SetError(), impala_udf::FunctionContext::SetFunctionState(), impala_udf::FunctionContext::TypeDesc::type, and impala_udf::FunctionContext::TYPE_STRING.

void impala::StringFunctions::RegexpClose ( FunctionContext *  context,
FunctionContext::FunctionStateScope  scope 
)
static

Definition at line 344 of file string-functions.cc.

References impala_udf::FunctionContext::FRAGMENT_LOCAL, and impala_udf::FunctionContext::GetFunctionState().

StringVal impala::StringFunctions::RegexpExtract ( FunctionContext *  context,
const StringVal &  str,
const StringVal &  pattern,
const BigIntVal &  index 
)
static

Definition at line 351 of file string-functions.cc.

References impala_udf::FunctionContext::AddWarning(), impala::CompileRegex(), impala_udf::FunctionContext::FRAGMENT_LOCAL, impala_udf::FunctionContext::GetFunctionState(), impala_udf::AnyVal::is_null, impala_udf::FunctionContext::IsArgConstant(), impala_udf::StringVal::len, impala_udf::StringVal::null(), impala_udf::StringVal::ptr, and impala_udf::BigIntVal::val.

void impala::StringFunctions::RegexpPrepare ( FunctionContext *  context,
FunctionContext::FunctionStateScope  scope 
)
static

Definition at line 327 of file string-functions.cc.

References impala::CompileRegex(), impala_udf::FunctionContext::FRAGMENT_LOCAL, impala_udf::FunctionContext::GetArgType(), impala_udf::FunctionContext::GetConstantArg(), impala_udf::FunctionContext::IsArgConstant(), impala_udf::FunctionContext::SetError(), impala_udf::FunctionContext::SetFunctionState(), impala_udf::FunctionContext::TypeDesc::type, and impala_udf::FunctionContext::TYPE_STRING.

StringVal impala::StringFunctions::RegexpReplace ( FunctionContext *  context,
const StringVal &  str,
const StringVal &  pattern,
const StringVal &  replace 
)
static

Definition at line 384 of file string-functions.cc.

References impala_udf::FunctionContext::AddWarning(), impala::CompileRegex(), impala_udf::FunctionContext::FRAGMENT_LOCAL, impala_udf::FunctionContext::GetFunctionState(), impala_udf::AnyVal::is_null, impala_udf::FunctionContext::IsArgConstant(), impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::Repeat ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  n 
)
static

Definition at line 81 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), impala_udf::StringVal::ptr, and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Reverse ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 194 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::Right ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  len 
)
static

Definition at line 66 of file string-functions.cc.

References impala_udf::StringVal::len, and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Rpad ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  len,
const StringVal &  pad 
)
static

Definition at line 119 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), impala_udf::StringVal::ptr, and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Rtrim ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 253 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::Space ( FunctionContext *  context,
const BigIntVal &  len 
)
static

Definition at line 73 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::null(), impala_udf::StringVal::ptr, and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Substring ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  pos,
const BigIntVal &  len 
)
static

Definition at line 39 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), impala_udf::StringVal::ptr, and impala_udf::BigIntVal::val.

StringVal impala::StringFunctions::Substring ( FunctionContext *  context,
const StringVal &  str,
const BigIntVal &  pos 
)
static

Definition at line 53 of file string-functions.cc.

StringVal impala::StringFunctions::Translate ( FunctionContext *  context,
const StringVal &  str,
const StringVal &  src,
const StringVal &  dst 
)
static

Definition at line 201 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::Trim ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 228 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

StringVal impala::StringFunctions::Upper ( FunctionContext *  context,
const StringVal &  str 
)
static

Definition at line 164 of file string-functions.cc.

References impala_udf::AnyVal::is_null, impala_udf::StringVal::len, impala_udf::StringVal::null(), and impala_udf::StringVal::ptr.

The documentation for this class was generated from the following files: