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Code Issues

Cleanup.

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This commit is contained in:
Adriano dos Santos Fernandes 2017-01-20 11:47:30 -02:00
parent 7bb6ceb90d
commit 4af43c999a
3 changed files with 0 additions and 210 deletions
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206
src/dsql/metd.epp
View File

@ -343,118 +343,6 @@ dsql_intlsym* METD_get_collation(jrd_tra* transaction, const MetaName& name, USH
}
USHORT METD_get_col_default(jrd_tra* transaction, const char* for_rel_name,
const char* for_col_name, bool* has_default, UCHAR* buffer, USHORT buff_length)
{
/*************************************************************
*
* M E T D _ g e t _ c o l _ d e f a u l t
*
**************************************************************
*
* Function:
* Gets the default value for a column of an existing table.
* Will check the default for the column of the table, if that is
* not present, will check for the default of the relevant domain
*
* The default blr is returned in buffer. The blr is of the form
* blr_version4 blr_literal ..... blr_eoc
*
* Reads the system tables RDB$FIELDS and RDB$RELATION_FIELDS.
*
**************************************************************/
thread_db* tdbb = JRD_get_thread_data();
validateTransaction(transaction);
dsql_dbb* dbb = transaction->getDsqlAttachment();
bid* blob_id;
USHORT result = 0;
blb* blob_handle = 0;
*has_default = false;
AutoCacheRequest handle(tdbb, irq_col_default, IRQ_REQUESTS);
FOR(REQUEST_HANDLE handle TRANSACTION_HANDLE transaction)
RFL IN RDB$RELATION_FIELDS CROSS
FLD IN RDB$FIELDS WITH
RFL.RDB$RELATION_NAME EQ for_rel_name AND
RFL.RDB$FIELD_SOURCE EQ FLD.RDB$FIELD_NAME AND
RFL.RDB$FIELD_NAME EQ for_col_name
{
if (!RFL.RDB$DEFAULT_VALUE.NULL)
{
blob_id = &RFL.RDB$DEFAULT_VALUE;
*has_default = true;
}
else if (!FLD.RDB$DEFAULT_VALUE.NULL)
{
blob_id = &FLD.RDB$DEFAULT_VALUE;
*has_default = true;
}
else
*has_default = false;
if (*has_default)
{
blob_handle = blb::open2(tdbb, transaction, blob_id, sizeof(blr_bpb), blr_bpb, true);
// fetch segments. Assuming here that the buffer is big enough.
UCHAR* ptr_in_buffer = buffer;
while (true)
{
const USHORT length = blob_handle->BLB_get_segment(tdbb, ptr_in_buffer, buff_length);
ptr_in_buffer += length;
buff_length -= length;
result += length;
if (blob_handle->blb_flags & BLB_eof)
{
// null terminate the buffer
*ptr_in_buffer = 0;
break;
}
if (blob_handle->getFragmentSize())
status_exception::raise(Arg::Gds(isc_segment));
else
continue;
}
try
{
ThreadStatusGuard status_vector(tdbb);
blob_handle->BLB_close(tdbb);
blob_handle = NULL;
}
catch (Exception&)
{
}
// the default string must be of the form:
// blr_version4 blr_literal ..... blr_eoc
fb_assert((buffer[0] == blr_version4) || (buffer[0] == blr_version5));
fb_assert(buffer[1] == blr_literal);
}
else
{
if (dbb->dbb_db_SQL_dialect > SQL_DIALECT_V5)
buffer[0] = blr_version5;
else
buffer[0] = blr_version4;
buffer[1] = blr_eoc;
result = 2;
}
}
END_FOR
return result;
}
dsql_intlsym* METD_get_charset(jrd_tra* transaction, USHORT length, const char* name) // UTF-8
{
/**************************************
@ -711,100 +599,6 @@ bool METD_get_domain(jrd_tra* transaction, TypeClause* field, const MetaName& na
}
USHORT METD_get_domain_default(jrd_tra* transaction, const MetaName& domain_name, bool* has_default,
UCHAR* buffer, USHORT buff_length)
{
/*************************************************************
*
* M E T D _ g e t _ d o m a i n _ d e f a u l t
*
**************************************************************
*
* Function:
* Gets the default value for a domain of an existing table.
*
**************************************************************/
thread_db* tdbb = JRD_get_thread_data();
validateTransaction(transaction);
*has_default = false;
dsql_dbb* dbb = transaction->getDsqlAttachment();
USHORT result = 0;
AutoCacheRequest handle(tdbb, irq_domain_2, IRQ_REQUESTS);
FOR(REQUEST_HANDLE handle TRANSACTION_HANDLE transaction)
FLD IN RDB$FIELDS WITH FLD.RDB$FIELD_NAME EQ domain_name.c_str()
{
bid* blob_id;
if (!FLD.RDB$DEFAULT_VALUE.NULL)
{
blob_id = &FLD.RDB$DEFAULT_VALUE;
*has_default = true;
}
else
*has_default = false;
if (*has_default)
{
blb* blob_handle = blb::open2(tdbb, transaction, blob_id, sizeof(blr_bpb), blr_bpb, true);
// fetch segments. Assume buffer is big enough.
UCHAR* ptr_in_buffer = buffer;
while (true)
{
const USHORT length = blob_handle->BLB_get_segment(tdbb, ptr_in_buffer, buff_length);
ptr_in_buffer += length;
buff_length -= length;
result += length;
if (blob_handle->blb_flags & BLB_eof)
{
// null terminate the buffer
*ptr_in_buffer = 0;
break;
}
if (blob_handle->getFragmentSize())
status_exception::raise(Arg::Gds(isc_segment));
else
continue;
}
try
{
ThreadStatusGuard status_vector(tdbb);
blob_handle->BLB_close(tdbb);
blob_handle = NULL;
}
catch (Exception&)
{
}
// the default string must be of the form:
// blr_version4 blr_literal ..... blr_eoc
fb_assert((buffer[0] == blr_version4) || (buffer[0] == blr_version5));
fb_assert(buffer[1] == blr_literal);
}
else
{
if (dbb->dbb_db_SQL_dialect > SQL_DIALECT_V5)
buffer[0] = blr_version5;
else
buffer[0] = blr_version4;
buffer[1] = blr_eoc;
result = 2;
}
}
END_FOR
return result;
}
dsql_udf* METD_get_function(jrd_tra* transaction, DsqlCompilerScratch* dsqlScratch,
const QualifiedName& name)
{

2
src/dsql/metd_proto.h
View File

@ -55,10 +55,8 @@ Jrd::dsql_intlsym* METD_get_charset(Jrd::jrd_tra*, USHORT, const char* name);
USHORT METD_get_charset_bpc(Jrd::jrd_tra*, SSHORT);
Firebird::MetaName METD_get_charset_name(Jrd::jrd_tra*, SSHORT);
Jrd::dsql_intlsym* METD_get_collation(Jrd::jrd_tra*, const Firebird::MetaName&, USHORT charset_id);
USHORT METD_get_col_default(Jrd::jrd_tra*, const char*, const char*, bool*, UCHAR*, USHORT);
Firebird::MetaName METD_get_default_charset(Jrd::jrd_tra*);
bool METD_get_domain(Jrd::jrd_tra*, class Jrd::TypeClause*, const Firebird::MetaName& name);
USHORT METD_get_domain_default(Jrd::jrd_tra*, const Firebird::MetaName&, bool*, UCHAR*, USHORT);
Jrd::dsql_udf* METD_get_function(Jrd::jrd_tra*, Jrd::DsqlCompilerScratch*,
const Firebird::QualifiedName&);
void METD_get_primary_key(Jrd::jrd_tra*, const Firebird::MetaName&,

2
src/jrd/irq.h
View File

@ -145,8 +145,6 @@ enum irq_type_t
irq_charset, // DSQL/METD: lookup a character set
irq_domain, // DSQL/METD: lookup a domain
irq_type, // DSQL/METD: lookup a symbolic name in RDB$TYPES
irq_col_default, // DSQL/METD: lookup default for a column
irq_domain_2, // DSQL/METD: lookup a domain
irq_cs_name, // DSQL/METD: lookup a charset name
irq_default_cs, // DSQL/METD: lookup the default charset
irq_rel_ids, // DSQL/METD: check relation/field ids