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#include "sqliteupdate.h"
#include "sqlitequerytype.h"
#include "sqliteexpr.h"
#include "parser/statementtokenbuilder.h"
#include "common/global.h"
#include "sqlitewith.h"
#include <QDebug>
SqliteUpdate::SqliteUpdate()
{
queryType = SqliteQueryType::Update;
}
SqliteUpdate::SqliteUpdate(const SqliteUpdate& other) :
SqliteQuery(other), onConflict(other.onConflict), database(other.database), table(other.table), indexedByKw(other.indexedByKw),
notIndexedKw(other.notIndexedKw), indexedBy(other.indexedBy)
{
// Special case of deep collection copy
SqliteExpr* newExpr = nullptr;
for (const ColumnAndValue& keyValue : other.keyValueMap)
{
newExpr = new SqliteExpr(*keyValue.second);
newExpr->setParent(this);
keyValueMap << ColumnAndValue(keyValue.first, newExpr);
}
DEEP_COPY_FIELD(SqliteExpr, where);
DEEP_COPY_FIELD(SqliteWith, with);
DEEP_COPY_FIELD(SqliteSelect::Core::JoinSource, from);
DEEP_COPY_COLLECTION(SqliteResultColumn, returning);
}
SqliteUpdate::~SqliteUpdate()
{
}
SqliteUpdate::SqliteUpdate(SqliteConflictAlgo onConflict, const QString &name1, const QString &name2, bool notIndexedKw, const QString &indexedBy,
const QList<ColumnAndValue>& values, SqliteSelect::Core::JoinSource* from, SqliteExpr *where, SqliteWith* with, const QList<SqliteResultColumn*>& returning)
: SqliteUpdate()
{
this->onConflict = onConflict;
if (!name2.isNull())
{
database = name1;
table = name2;
}
else
table = name1;
this->indexedBy = indexedBy;
this->indexedByKw = !(indexedBy.isNull());
this->notIndexedKw = notIndexedKw;
keyValueMap = values;
this->from = from;
if (from)
from->setParent(this);
this->where = where;
if (where)
where->setParent(this);
this->with = with;
if (with)
with->setParent(this);
for (ColumnAndValue& keyValue : keyValueMap)
keyValue.second->setParent(this);
this->returning = returning;
for (SqliteResultColumn*& retCol : this->returning)
retCol->setParent(this);
}
SqliteStatement*SqliteUpdate::clone()
{
return new SqliteUpdate(*this);
}
SqliteExpr* SqliteUpdate::getValueForColumnSet(const QString& column)
{
for (ColumnAndValue& keyValue : keyValueMap)
{
if (keyValue.first == column)
return keyValue.second;
}
return nullptr;
}
QStringList SqliteUpdate::getColumnsInStatement()
{
QStringList columns;
for (ColumnAndValue& keyValue : keyValueMap)
{
if (keyValue.first.type() == QVariant::StringList)
columns += keyValue.first.toStringList();
else
columns += keyValue.first.toString();
}
return columns;
}
QStringList SqliteUpdate::getTablesInStatement()
{
return getStrListFromValue(table);
}
QStringList SqliteUpdate::getDatabasesInStatement()
{
return getStrListFromValue(database);
}
TokenList SqliteUpdate::getColumnTokensInStatement()
{
// This case is not simple. We only have "setlist" in tokensMap
// and it contains entire: col = expr, col = expr.
// In order to extract 'col' token, we go through all 'expr',
// for each 'expr' we get its first token, then locate it
// in entire "setlist", get back 2 tokens to get what's before "=".
TokenList list;
TokenList setListTokens = getTokenListFromNamedKey("setlist", -1);
int setListTokensSize = setListTokens.size();
int end;
int start = 0;
SqliteExpr* expr = nullptr;
for (ColumnAndValue& keyValue : keyValueMap)
{
expr = keyValue.second;
end = setListTokens.indexOf(expr->tokens[0]);
if (end < 0 || end >= setListTokensSize)
{
qCritical() << "Went out of bounds while looking for column tokens in SqliteUpdate::getColumnTokensInStatement().";
continue;
}
// Before expression tokens there will be only column(s) token(s)
// and commans, and equal operator. Let's take only ID tokens, which are columns.
list += setListTokens.mid(start, end - start - 1).filter(Token::OTHER);
start = end + expr->tokens.size();
}
return list;
}
TokenList SqliteUpdate::getTableTokensInStatement()
{
if (tokensMap.contains("fullname"))
return getObjectTokenListFromFullname();
return TokenList();
}
TokenList SqliteUpdate::getDatabaseTokensInStatement()
{
if (tokensMap.contains("fullname"))
return getDbTokenListFromFullname();
if (tokensMap.contains("nm"))
return extractPrintableTokens(tokensMap["nm"]);
return TokenList();
}
QList<SqliteStatement::FullObject> SqliteUpdate::getFullObjectsInStatement()
{
QList<FullObject> result;
if (!tokensMap.contains("fullname"))
return result;
// Table object
FullObject fullObj = getFullObjectFromFullname(FullObject::TABLE);
if (fullObj.isValid())
result << fullObj;
// Db object
fullObj = getFirstDbFullObject();
if (fullObj.isValid())
{
result << fullObj;
dbTokenForFullObjects = fullObj.database;
}
return result;
}
TokenList SqliteUpdate::rebuildTokensFromContents()
{
StatementTokenBuilder builder;
builder.withTokens(SqliteQuery::rebuildTokensFromContents());
if (with)
builder.withStatement(with);
builder.withKeyword("UPDATE").withSpace();
if (onConflict != SqliteConflictAlgo::null)
builder.withKeyword("OR").withSpace().withKeyword(sqliteConflictAlgo(onConflict)).withSpace();
if (!database.isNull())
builder.withOther(database).withOperator(".");
builder.withOther(table).withSpace();
if (indexedByKw)
builder.withKeyword("INDEXED").withSpace().withKeyword("BY").withSpace().withOther(indexedBy).withSpace();
else if (notIndexedKw)
builder.withKeyword("NOT").withSpace().withKeyword("INDEXED").withSpace();
builder.withKeyword("SET").withSpace();
bool first = true;
for (ColumnAndValue& keyVal : keyValueMap)
{
if (!first)
builder.withOperator(",").withSpace();
if (keyVal.first.type() == QVariant::StringList)
builder.withParLeft().withOtherList(keyVal.first.toStringList()).withParRight();
else
builder.withOther(keyVal.first.toString());
builder.withSpace().withOperator("=").withStatement(keyVal.second);
first = false;
}
if (from)
builder.withSpace().withKeyword("FROM").withStatement(from);
if (where)
builder.withSpace().withKeyword("WHERE").withStatement(where);
if (!returning.isEmpty())
{
builder.withKeyword("RETURNING");
for (SqliteResultColumn*& retCol : returning)
builder.withSpace().withStatement(retCol);
}
builder.withOperator(";");
return builder.build();
}
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