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QueryDesign: in criteria, remove matching column_ref in simple expressions

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Basically, in first children of infix predicates in search_conditions

Change-Id: I0e2f8fbdde023b088f33d2e2fcbd41110f0e02a8
This commit is contained in:
Lionel Elie Mamane
2013-04-26 16:44:43 +02:00
parent fccfa69c15
commit 16c9ce4877
2 changed files with 129 additions and 105 deletions
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229
connectivity/source/parse/sqlnode.cxx
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@@ -129,6 +129,62 @@ namespace
rNewValue += rQuot;
return rNewValue;
}
bool columnMatchP(const connectivity::OSQLParseNode* pSubTree, const connectivity::SQLParseNodeParameter& rParam)
{
using namespace connectivity;
assert(SQL_ISRULE(pSubTree,column_ref));
// retrieve the field's name & table range
OUString aFieldName;
try
{
sal_Int32 nNamePropertyId = PROPERTY_ID_NAME;
if ( rParam.xField->getPropertySetInfo()->hasPropertyByName( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_REALNAME ) ) )
nNamePropertyId = PROPERTY_ID_REALNAME;
rParam.xField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( nNamePropertyId ) ) >>= aFieldName;
}
catch ( Exception& )
{
}
if(pSubTree->count())
{
const OSQLParseNode* pCol = pSubTree->getChild(pSubTree->count()-1);
if (SQL_ISRULE(pCol,column_val))
{
assert(pCol->count() == 1);
pCol = pCol->getChild(0);
}
const OSQLParseNode* pTable(NULL);
switch (pSubTree->count())
{
case 1:
break;
case 3:
pTable = pSubTree->getChild(0);
break;
case 5:
case 7:
SAL_WARN("connectivity.parse", "SQL: catalog and/or schema in column_ref in predicate");
break;
default:
SAL_WARN("connectivity.parse", "columnMatchP: SQL grammar changed; column_ref has " << pSubTree->count() << " children");
assert(false);
break;
}
// TODO: not all DBMS match column names case-insensitively...
// see XDatabaseMetaData::supportsMixedCaseIdentifiers()
// and XDatabaseMetaData::supportsMixedCaseQuotedIdentifiers()
if ( // table name matches (or no table name)?
( !pTable || pTable->getTokenValue().equalsIgnoreAsciiCase(rParam.sPredicateTableAlias) )
&& // column name matches?
pCol->getTokenValue().equalsIgnoreAsciiCase(aFieldName)
)
return true;
}
return false;
}
}
namespace connectivity
@@ -342,7 +398,7 @@ namespace
}
//-----------------------------------------------------------------------------
void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const
void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const SQLParseNodeParameter& rParam, bool bSimple) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "parse", "Ocke.Janssen@sun.com", "OSQLParseNode::impl_parseNodeToString_throw" );
if ( isToken() )
@@ -360,18 +416,19 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
// special handling for parameters
case parameter:
{
bSimple=false;
if(!rString.isEmpty())
rString.appendAscii(" ");
if (nCount == 1) // ?
m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam );
m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false );
else if (nCount == 2) // :Name
{
m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam );
m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false );
rString.append(m_aChildren[1]->m_aNodeValue);
} // [Name]
else
{
m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam );
m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false );
rString.append(m_aChildren[1]->m_aNodeValue);
rString.append(m_aChildren[2]->m_aNodeValue);
}
@@ -381,6 +438,7 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
// table refs
case table_ref:
bSimple=false;
if ( ( nCount == 2 ) || ( nCount == 3 ) || ( nCount == 5 ) )
{
impl_parseTableRangeNodeToString_throw( rString, rParam );
@@ -390,16 +448,18 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
// table name - might be a query name
case table_name:
bSimple=false;
bHandled = impl_parseTableNameNodeToString_throw( rString, rParam );
break;
case as_clause:
bSimple=false;
assert(nCount == 0 || nCount == 2);
if (nCount == 2)
{
if ( rParam.aMetaData.generateASBeforeCorrelationName() )
rString.append(OUString(" AS "));
m_aChildren[1]->impl_parseNodeToString_throw( rString, rParam );
m_aChildren[1]->impl_parseNodeToString_throw( rString, rParam, false );
}
bHandled = true;
break;
@@ -413,7 +473,7 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
// Depending on whether international is given, LIKE is treated differently
// international: *, ? are placeholders
// else SQL92 conform: %, _
impl_parseLikeNodeToString_throw( rString, rParam );
impl_parseLikeNodeToString_throw( rString, rParam, bSimple );
bHandled = true;
break;
@@ -424,13 +484,14 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
case length_exp:
case char_value_fct:
{
bSimple=false;
if (!addDateValue(rString, rParam))
{
// Do not quote function name
SQLParseNodeParameter aNewParam(rParam);
aNewParam.bQuote = ( SQL_ISRULE(this,length_exp) || SQL_ISRULE(this,char_value_fct) );
m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam );
m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam, false );
aNewParam.bQuote = rParam.bQuote;
//aNewParam.bPredicate = sal_False; // disable [ ] around names // look at i73215
OUStringBuffer aStringPara;
@@ -439,7 +500,7 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
const OSQLParseNode * pSubTree = m_aChildren[i];
if (pSubTree)
{
pSubTree->impl_parseNodeToString_throw( aStringPara, aNewParam );
pSubTree->impl_parseNodeToString_throw( aStringPara, aNewParam, false );
// In the comma lists, put commas in-between all subtrees
if ((m_eNodeType == SQL_NODE_COMMALISTRULE) && (i < (nCount - 1)))
@@ -452,6 +513,15 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
}
bHandled = true;
}
case odbc_call_spec:
case subquery:
case term:
case factor:
case window_function:
case cast_spec:
case num_value_exp:
bSimple = false;
break;
default:
break;
@@ -479,68 +549,16 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
// simplify criterion display by removing:
// "currentFieldName"
// "currentFieldName" =
// but only at the very beginning of the criterion
// (not embedded deep in the expression).
// TODO: replace "beginning of criterion" by "in simple expression",
// that is anything made of:
// but only in simple expressions.
// This means anything that is made of:
// (see the rules conditionalised by inPredicateCheck() in sqlbison.y).
// - parentheses
// - logical operators (and, or, not)
// - comparison operators (IS, =, >, <, BETWEEN, LIKE, ...)
// (see where the parser calls inPredicateCheck for a full list)
// but *not* e.g. in function arguments
if (rParam.bPredicate && rString.isEmpty() && rParam.xField.is() && SQL_ISRULE(pSubTree,column_ref))
if (bSimple && rParam.bPredicate && rParam.xField.is() && SQL_ISRULE(pSubTree,column_ref))
{
bool bFilter = false;
// retrieve the field's name & table range
OUString aFieldName;
try
{
sal_Int32 nNamePropertyId = PROPERTY_ID_NAME;
if ( rParam.xField->getPropertySetInfo()->hasPropertyByName( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_REALNAME ) ) )
nNamePropertyId = PROPERTY_ID_REALNAME;
rParam.xField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( nNamePropertyId ) ) >>= aFieldName;
}
catch ( Exception& )
{
}
if(pSubTree->count())
{
const OSQLParseNode* pCol = pSubTree->m_aChildren[pSubTree->count()-1];
if (SQL_ISRULE(pCol,column_val))
{
assert(pCol->count() == 1);
pCol = pCol->getChild(0);
}
const OSQLParseNode* pTable(NULL);
switch (pSubTree->count())
{
case 1:
break;
case 3:
pTable = pSubTree->m_aChildren[0];
break;
case 5:
case 7:
SAL_WARN("connectivity.parse", "SQL: catalog and/or schema in column_ref in predicate");
break;
default:
SAL_WARN("connectivity.parse", "impl_parseNodeToString_throw: SQL grammar changed; column_ref has " << pSubTree->count() << " children");
assert(false);
break;
}
// TODO: not all DBMS match column names case-insensitively...
// see XDatabaseMetaData::supportsMixedCaseIdentifiers()
// and XDatabaseMetaData::supportsMixedCaseQuotedIdentifiers()
if ( // table name matches (or no table name)?
( !pTable || pTable->getTokenValue().equalsIgnoreAsciiCase(rParam.sPredicateTableAlias) )
&& // column name matches?
pCol->getTokenValue().equalsIgnoreAsciiCase(aFieldName)
)
bFilter = true;
}
if (bFilter)
if (columnMatchP(pSubTree, rParam))
{
// skip field
++i;
@@ -558,7 +576,7 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
}
else
{
pSubTree->impl_parseNodeToString_throw( rString, aNewParam );
pSubTree->impl_parseNodeToString_throw( rString, aNewParam, bSimple );
++i;
// In the comma lists, put commas in-between all subtrees
@@ -568,7 +586,7 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
}
else
{
pSubTree->impl_parseNodeToString_throw( rString, aNewParam );
pSubTree->impl_parseNodeToString_throw( rString, aNewParam, bSimple );
++i;
// In the comma lists, put commas in-between all subtrees
@@ -580,6 +598,36 @@ void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const
rString.appendAscii(",");
}
}
// The right hand-side of these operators is not simple
switch ( getKnownRuleID() )
{
case general_set_fct:
case set_fct_spec:
case position_exp:
case extract_exp:
case length_exp:
case char_value_fct:
case odbc_call_spec:
case subquery:
case comparison_predicate:
case between_predicate:
case like_predicate:
case test_for_null:
case in_predicate:
case existence_test:
case unique_test:
case all_or_any_predicate:
case join_condition:
case boolean_test:
case comparison_predicate_part_2:
case parenthesized_boolean_value_expression:
case other_like_predicate_part_2:
case between_predicate_part_2:
bSimple=false;
break;
default:
break;
}
}
}
}
@@ -644,7 +692,7 @@ bool OSQLParseNode::impl_parseTableNameNodeToString_throw( OUStringBuffer& rStri
{
// parse the sub-select to SDBC level, too
OUStringBuffer sSubSelect;
pSubQueryNode->impl_parseNodeToString_throw( sSubSelect, rParam );
pSubQueryNode->impl_parseNodeToString_throw( sSubSelect, rParam, false );
if ( !sSubSelect.isEmpty() )
sCommand = sSubSelect.makeStringAndClear();
}
@@ -690,11 +738,11 @@ void OSQLParseNode::impl_parseTableRangeNodeToString_throw(OUStringBuffer& rStri
// rString += OUString(" ");
::std::for_each(m_aChildren.begin(),m_aChildren.end(),
boost::bind( &OSQLParseNode::impl_parseNodeToString_throw, _1, boost::ref( rString ), boost::cref( rParam ) ));
boost::bind( &OSQLParseNode::impl_parseNodeToString_throw, _1, boost::ref( rString ), boost::cref( rParam ), false ));
}
//-----------------------------------------------------------------------------
void OSQLParseNode::impl_parseLikeNodeToString_throw( OUStringBuffer& rString, const SQLParseNodeParameter& rParam ) const
void OSQLParseNode::impl_parseLikeNodeToString_throw( OUStringBuffer& rString, const SQLParseNodeParameter& rParam, bool bSimple ) const
{
RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "parse", "Ocke.Janssen@sun.com", "OSQLParseNode::impl_parseLikeNodeToString_throw" );
OSL_ENSURE(count() == 2,"count != 2: Prepare for GPF");
@@ -705,38 +753,12 @@ void OSQLParseNode::impl_parseLikeNodeToString_throw( OUStringBuffer& rString, c
SQLParseNodeParameter aNewParam(rParam);
//aNewParam.bQuote = sal_True; // why setting this to true? @see http://www.openoffice.org/issues/show_bug.cgi?id=75557
// if there is a field given we don't display the fieldname, if there are any
sal_Bool bAddName = sal_True;
if (rParam.xField.is())
{
// retrieve the fields name
OUString aFieldName;
try
{
// retrieve the fields name
OUString aString;
rParam.xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aString;
aFieldName = aString.getStr();
}
catch ( Exception& )
{
OSL_FAIL( "OSQLParseNode::impl_parseLikeNodeToString_throw Exception occurred!" );
}
if ( !m_aChildren[0]->isLeaf() )
{
const OSQLParseNode* pCol = m_aChildren[0]->getChild(m_aChildren[0]->count()-1);
if ((SQL_ISRULE(pCol,column_val) && pCol->getChild(0)->getTokenValue().equalsIgnoreAsciiCase(aFieldName)) ||
pCol->getTokenValue().equalsIgnoreAsciiCase(aFieldName) )
bAddName = sal_False;
}
}
if (bAddName)
m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam );
if (bSimple && !columnMatchP(m_aChildren[0], rParam))
m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam, bSimple );
const OSQLParseNode* pPart2 = m_aChildren[1];
pPart2->getChild(0)->impl_parseNodeToString_throw( rString, aNewParam );
pPart2->getChild(1)->impl_parseNodeToString_throw( rString, aNewParam );
pPart2->getChild(0)->impl_parseNodeToString_throw( rString, aNewParam, false );
pPart2->getChild(1)->impl_parseNodeToString_throw( rString, aNewParam, false );
pParaNode = pPart2->getChild(2);
pEscNode = pPart2->getChild(3);
@@ -747,9 +769,9 @@ void OSQLParseNode::impl_parseLikeNodeToString_throw( OUStringBuffer& rString, c
rString.append(SetQuotation(aStr,OUString("\'"),OUString("\'\'")));
}
else
pParaNode->impl_parseNodeToString_throw( rString, aNewParam );
pParaNode->impl_parseNodeToString_throw( rString, aNewParam, false );
pEscNode->impl_parseNodeToString_throw( rString, aNewParam );
pEscNode->impl_parseNodeToString_throw( rString, aNewParam, false );
}
@@ -1441,7 +1463,8 @@ OSQLParser::OSQLParser(const ::com::sun::star::uno::Reference< ::com::sun::star:
{ OSQLParseNode::character_string_type, "character_string_type" },
{ OSQLParseNode::other_like_predicate_part_2, "other_like_predicate_part_2" },
{ OSQLParseNode::between_predicate_part_2, "between_predicate_part_2" },
{ OSQLParseNode::cast_spec, "cast_spec" }
{ OSQLParseNode::cast_spec, "cast_spec" },
{ OSQLParseNode::window_function, "window_function" }
};
const size_t nRuleMapCount = sizeof( aRuleDescriptions ) / sizeof( aRuleDescriptions[0] );
// added a new rule? Adjust this map!