mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
706 lines
14 KiB
C++
706 lines
14 KiB
C++
#include "Sql.h"
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namespace Upp {
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String SqlStatement::Get(int dialect) const {
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ASSERT(dialect == ORACLE || dialect == SQLITE3 || dialect == MY_SQL || dialect == MSSQL ||
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dialect == PGSQL || dialect == FIREBIRD || dialect == DB2);
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return SqlCompile(dialect, text);
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}
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#ifndef flagNOAPPSQL
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String SqlStatement::Get() const
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{
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return Get(SQL.GetDialect());
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}
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#endif
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SqlSelect& SqlSelect::SetOp(const SqlSelect& s2, const char *op)
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{
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String q;
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q << SqlCode(SQLITE3, "")("((")
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<< text
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<< SqlCode(SQLITE3, "")(")")
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<< op
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<< SqlCode(SQLITE3, "")("(")
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<< s2.text
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<< SqlCode(SQLITE3, "")("))")
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;
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text = q;
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return *this;
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}
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SqlSelect& SqlSelect::operator|=(const SqlSelect& s2) {
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return SetOp(s2, " union ");
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}
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SqlSelect& SqlSelect::operator+=(const SqlSelect& s2)
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{
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return SetOp(s2, " union all ");
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}
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SqlSelect& SqlSelect::operator&=(const SqlSelect& s2) {
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return SetOp(s2, " intersect ");
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}
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SqlSelect& SqlSelect::operator-=(const SqlSelect& s2) {
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return SetOp(s2, SqlCode(MSSQL|PGSQL|SQLITE3," except ")(" minus "));
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}
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SqlSelect operator|(const SqlSelect& s1, const SqlSelect& s2) {
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SqlSelect s = s1;
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s |= s2;
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return s;
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}
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SqlSelect operator&(const SqlSelect& s1, const SqlSelect& s2) {
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SqlSelect s = s1;
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s &= s2;
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return s;
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}
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SqlSelect operator-(const SqlSelect& s1, const SqlSelect& s2) {
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SqlSelect s = s1;
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s -= s2;
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return s;
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}
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SqlSelect operator+(const SqlSelect& s1, const SqlSelect& s2)
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{
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SqlSelect s = s1;
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s += s2;
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return s;
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}
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SqlSelect& SqlSelect::Where(const SqlBool& exp) {
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if(!exp.IsTrue() && !exp.IsEmpty())
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text << " where " << ~exp;
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return *this;
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}
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SqlSelect& SqlSelect::StartWith(const SqlBool& exp) {
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text << " start with " << ~exp;
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return *this;
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}
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SqlSelect& SqlSelect::ConnectBy(const SqlBool& exp) {
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text << " connect by " << ~exp;
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return *this;
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}
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SqlSelect& SqlSelect::GroupBy(const SqlSet& set) {
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text << " group by " << ~set;
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return *this;
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}
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SqlSelect& SqlSelect::Having(const SqlBool& exp) {
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text << " having " << ~exp;
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return *this;
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}
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SqlSelect& SqlSelect::OrderBy(const SqlSet& set) {
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if(!set.IsEmpty())
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text << " order by " << ~set;
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return *this;
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}
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SqlSelect& SqlSelect::ForUpdate() {
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text << SqlCode(SQLITE3, "")(" for update");
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return *this;
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}
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SqlSelect& SqlSelect::NoWait() {
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text << " nowait";
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return *this;
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}
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SqlSelect& SqlSelect::Limit(int limit) {
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ASSERT(text.StartsWith("select "));
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String s = AsString(limit);
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text.Insert(6, SqlCode(MSSQL, " top " + s)());
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text << SqlCode(MSSQL, "")(" limit " + s);
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return *this;
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}
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SqlSelect& SqlSelect::Limit(int64 offset, int limit) {
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text << " limit " << offset << ", " << limit;
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return *this;
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}
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SqlSelect& SqlSelect::Offset(int64 offset) {
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text << " offset " << offset;
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return *this;
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}
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SqlSelect& SqlSelect::operator()(const SqlVal& val)
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{
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if(text.GetCount())
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text << ", ";
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text << ~val;
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return *this;
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}
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SqlSelect& SqlSelect::Hint(const char *hint)
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{
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text = "/*+ " + String(hint) + " */ " + text;
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return *this;
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}
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SqlSelect& SqlSelect::Get() {
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text = "select " + text + SqlCode(ORACLE, " from DUAL")("");
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valid = true;
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return *this;
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}
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SqlSelect& SqlSelect::From(const SqlSet& table) {
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if(table.IsEmpty())
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return Get();
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String ts = table(SqlSet::SETOP + 1);
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text = "select " + text + " from " + ts;
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valid = true;
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tables << ',' << Filter(ts, CharFilterNotWhitespace);
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::From(const SqlId& table) {
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const String& t1 = table.ToString();
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text = String().Cat() << "select " << text << " from \t" << t1 << '\t';
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valid = true;
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tables << ',' << t1;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::From(const SqlId& table1, const SqlId& table2) {
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const String& t1 = table1.ToString();
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const String& t2 = table2.ToString();
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text = String().Cat() << "select " << text << " from \t" << t1 << "\t, \t" << t2 << '\t';
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valid = true;
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tables << ',' << t1 << ',' << t2;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::From(const SqlId& table1, const SqlId& table2, const SqlId& table3) {
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const String& t1 = table1.ToString();
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const String& t2 = table2.ToString();
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const String& t3 = table3.ToString();
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text = String().Cat() << "select " << text << " from \t" << t1 << "\t, \t" << t2 << "\t, \t" << t3 << '\t';
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valid = true;
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tables << ',' << t1 << ',' << t2 << ',' << t3;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::InnerJoin0(const String& table) {
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text << " inner join " << table;
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tables << ',' << table;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::LeftJoin0(const String& table) {
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text << " left outer join " << table;
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tables << ',' << table;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::RightJoin0(const String& table) {
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text << " right outer join " << table;
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tables << ',' << table;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::FullJoin0(const String& table) {
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text << " full outer join " << table;
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tables << ',' << table;
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on = false;
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return *this;
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}
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SqlSelect& SqlSelect::InnerJoinRef(const SqlId& table)
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{
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InnerJoin(table);
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On(FindSchJoin(tables));
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on = true;
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return *this;
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}
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SqlSelect& SqlSelect::LeftJoinRef(const SqlId& table)
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{
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LeftJoin(table);
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On(FindSchJoin(tables));
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on = true;
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return *this;
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}
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SqlSelect& SqlSelect::RightJoinRef(const SqlId& table)
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{
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RightJoin(table);
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On(FindSchJoin(tables));
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on = true;
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return *this;
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}
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SqlSelect& SqlSelect::FullJoinRef(const SqlId& table)
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{
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FullJoin(table);
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On(FindSchJoin(tables));
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on = true;
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return *this;
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}
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SqlSelect& SqlSelect::On(const SqlBool& exp) {
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if(!exp.IsTrue() && !exp.IsEmpty())
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text << (on ? " and " : " on ") << ~exp;
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return *this;
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}
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SqlVal SqlSelect::AsValue() const
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{
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return SqlVal(String("(").Cat() << text << ")", SqlVal::LOW);
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}
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SqlSet SqlSelect::AsTable(const SqlId& tab) const
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{
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StringBuffer t;
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t << SqlCode(MSSQL|PGSQL|SQLITE3, "")("(")
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<< "(" << text << ")" << SqlCode(ORACLE,"")(" as") << " \t" << tab.ToString() << '\t'
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<< SqlCode(MSSQL|PGSQL|SQLITE3, "")(")");
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return SqlSet(String(t), SqlSet::HIGH);
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}
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SqlSelect::SqlSelect(Fields f)
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{
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valid = on = false;
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SqlSet set(f);
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text = ~set;
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}
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//$-
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#define E__SCat(I) set.Cat(p##I)
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#define E__QSqlSelectF(I) \
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SqlSelect::SqlSelect(__List##I(E__SqlVal)) { \
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valid = on = false; \
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SqlSet set; \
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__List##I(E__SCat); \
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text = ~set; \
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}
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__Expand(E__QSqlSelectF);
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#define E__QSelectF(I) \
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SqlSelect Select(__List##I(E__SqlVal)) { \
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SqlSet set; \
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__List##I(E__SCat); \
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return Select(set); \
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}
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__Expand(E__QSelectF);
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//$+
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// -------------------------------
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SqlWith& SqlWith::With(SqlId table)
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{
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text << (text.GetCount() ? ", " : "with ") << table.Quoted();
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args = false;
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return *this;
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}
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SqlWith& SqlWith::WithRecursive(SqlId table)
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{
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text << (text.GetCount() ? ", " : "with ")
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<< SqlCode(MSSQL, "")("recursive ")
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<< table.Quoted();
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args = false;
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return *this;
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}
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SqlWith& SqlWith::Arg(SqlId arg)
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{
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text << (args ? ", " : "(") << arg.Quoted();
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args = true;
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return *this;
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}
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SqlWith& SqlWith::As(const SqlSelect& select)
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{
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if(args)
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text << ')';
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text << " as (" + SqlStatement(select).GetText() + ")";
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args = false;
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return *this;
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}
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SqlSelect SqlWith::operator()(const SqlSelect& select)
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{
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SqlSet set;
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set.SetRaw(text + " " + SqlStatement(select).GetText());
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return set;
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}
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SqlStatement SqlWith::operator()(const SqlInsert& insert)
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{
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return SqlStatement(text + " " + SqlStatement(insert).GetText());
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}
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SqlStatement SqlWith::operator()(const SqlUpdate& update)
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{
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return SqlStatement(text + " " + SqlStatement(update).GetText());
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}
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SqlStatement SqlWith::operator()(const SqlDelete& deletes)
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{
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return SqlStatement(text + " " + SqlStatement(deletes).GetText());
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}
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// -------------------------------
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SqlStatement SqlCreateTable::As(const SqlSelect& select)
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{
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String text = "create ";
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if(!permanent)
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text << SqlCode(ORACLE, "global temporary ")("temporary ");
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text << "table " << table.Quoted();
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if(!permanent){
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if(transaction)
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text << SqlCode(ORACLE, " on commit delete rows")("");
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else
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text << SqlCode(ORACLE, " on commit preserve rows")("");
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}
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text << " as (" + SqlStatement(select).GetText() + ")";
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return SqlStatement(text);
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}
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// -------------------------------
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SqlDelete::SqlDelete(SqlVal table) {
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text = "delete from " + ~table;
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}
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SqlDelete& SqlDelete::Where(const SqlBool& b) {
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text << " where " << ~b;
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return *this;
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}
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SqlDelete& SqlDelete::Returning(const SqlSet& set) {
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text << " returning " + ~set;
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return *this;
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}
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// -------------------------------
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#ifdef NEWINSERTUPDATE
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void SqlInsert::Column(const SqlId& column, SqlVal val) {
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set1.Cat(column);
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set2.Cat(val);
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if(keycolumn.IsNull()) keycolumn = column;
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if(keyvalue.IsEmpty()) keyvalue =val;
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sel.Set(set2);
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}
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SqlInsert::operator SqlStatement() const {
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String s = "insert into " + table.Quoted();
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if(!set1.IsEmpty()) {
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s << set1();
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if(sel.IsValid())
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s << ' ' << SqlStatement(sel).GetText();
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else
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if(!set2.IsEmpty())
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s << " values " << set2();
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}
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if(!ret.IsEmpty())
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s << " returning " << ~ret;
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return SqlStatement(s);
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}
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struct InsertFieldOperator : public FieldOperator {
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SqlInsert *insert;
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bool nokey;
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virtual void Field(const char *name, Ref f) {
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if(!nokey)
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insert->Column(name, (Value)f);
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nokey = false;
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}
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InsertFieldOperator() { nokey = false; }
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};
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SqlInsert::SqlInsert(Fields f, bool nokey) {
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InsertFieldOperator ifo;
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ifo.insert = this;
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ifo.nokey = nokey;
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f(ifo);
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table = ifo.table;
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}
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SqlInsert& SqlInsert::operator()(Fields f, bool nokey)
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{
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InsertFieldOperator ifo;
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ifo.insert = this;
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ifo.nokey = nokey;
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f(ifo);
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return *this;
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}
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SqlInsert& SqlInsert::Where(const SqlBool& w)
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{
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if(!sel.IsValid())
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From();
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sel.Where(w);
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return *this;
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}
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SqlInsert& SqlInsert::Returning(const SqlSet& set)
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{
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ret = set;
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return *this;
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}
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SqlInsert& SqlInsert::operator()(const ValueMap& data)
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{
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for(int i = 0; i < data.GetCount(); i++)
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operator()((String)data.GetKey(i), data.GetValue(i));
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return *this;
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}
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#else
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void SqlInsert::Column(const SqlId& column, SqlVal val) {
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set1.Cat(column);
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set2.Cat(val);
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if(keycolumn.IsNull()) keycolumn = column;
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if(keyvalue.IsEmpty()) keyvalue =val;
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}
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SqlInsert::operator SqlStatement() const {
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String s = "insert into " + table.Quoted();
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if(!set1.IsEmpty()) {
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s << set1();
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if(from.IsEmpty() && where.IsEmpty() && groupby.IsEmpty()) {
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if(!set2.IsEmpty())
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s << " values " << set2();
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}
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else {
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SqlSelect sel;
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sel = Select(set2).From(from).Where(where);
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if(!groupby.IsEmpty())
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sel.GroupBy(groupby);
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if(!having.IsEmpty())
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sel.Having(having);
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s << ' ' + SqlStatement(sel).GetText();
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}
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}
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return SqlStatement(s);
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}
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SqlInsert& SqlInsert::From(const SqlId& from) {
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return From(SqlSet(from));
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}
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struct InsertFieldOperator : public FieldOperator {
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SqlInsert *insert;
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bool nokey;
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virtual void Field(const char *name, Ref f) {
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if(!nokey)
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insert->Column(name, (Value)f);
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nokey = false;
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}
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InsertFieldOperator() { nokey = false; }
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};
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SqlInsert::SqlInsert(Fields f, bool nokey) {
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InsertFieldOperator ifo;
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ifo.insert = this;
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ifo.nokey = nokey;
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f(ifo);
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table = ifo.table;
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}
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SqlInsert& SqlInsert::operator()(Fields f, bool nokey)
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{
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InsertFieldOperator ifo;
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ifo.insert = this;
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ifo.nokey = nokey;
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f(ifo);
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return *this;
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}
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SqlInsert& SqlInsert::operator()(const ValueMap& data)
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{
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for(int i = 0; i < data.GetCount(); i++)
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operator()((String)data.GetKey(i), data.GetValue(i));
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return *this;
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}
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#endif
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/////////////////////////////////
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#ifdef NEWINSERTUPDATE
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struct UpdateFieldOperator : public FieldOperator {
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SqlUpdate *update;
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virtual void Field(const char *name, Ref f) {
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update->Column(name, (Value)f);
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}
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};
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SqlUpdate::SqlUpdate(Fields f) {
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UpdateFieldOperator ufo;
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ufo.update = this;
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f(ufo);
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table = ufo.table;
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sel.Set(SqlSet(SqlId("X")));
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}
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SqlUpdate::SqlUpdate(const SqlId& table)
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: table(table)
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{
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sel.Set(SqlSet(SqlId("X")));
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}
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SqlUpdate& SqlUpdate::operator()(Fields f) {
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UpdateFieldOperator ufo;
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ufo.update = this;
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f(ufo);
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return *this;
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}
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SqlUpdate& SqlUpdate::operator()(const ValueMap& data)
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{
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|
for(int i = 0; i < data.GetCount(); i++)
|
|
operator()((String)data.GetKey(i), data.GetValue(i));
|
|
return *this;
|
|
}
|
|
|
|
SqlUpdate& SqlUpdate::Where(SqlBool w)
|
|
{
|
|
if(sel.IsValid())
|
|
sel.Where(w);
|
|
else
|
|
where = w;
|
|
return *this;
|
|
}
|
|
|
|
SqlUpdate& SqlUpdate::Returning(const SqlSet& set)
|
|
{
|
|
ret = set;
|
|
return *this;
|
|
}
|
|
|
|
SqlUpdate::operator SqlStatement() const {
|
|
StringBuffer stmt;
|
|
stmt << "update " << table.Quoted() << " set " << ~set;
|
|
if(sel.IsValid())
|
|
stmt << SqlStatement(sel).GetText().Mid(9 + 2 * SqlId::IsUseQuotes());
|
|
else
|
|
if(!where.IsEmpty())
|
|
stmt << " where " << ~where;
|
|
if(!ret.IsEmpty())
|
|
stmt << " returning " << ~ret;
|
|
return SqlStatement(stmt);
|
|
}
|
|
|
|
void SqlUpdate::Column(const SqlId& column, SqlVal val) {
|
|
set.Cat(SqlVal(SqlVal(column), " = ", val, SqlS::COMP));
|
|
}
|
|
|
|
void SqlUpdate::Column(const SqlSet& cols, const SqlSet& val)
|
|
{
|
|
set.Cat(SqlVal(SqlS(cols(), SqlS::HIGH), " = ", SqlS(val(), SqlS::HIGH), SqlS::COMP));
|
|
}
|
|
|
|
#else
|
|
struct UpdateFieldOperator : public FieldOperator {
|
|
SqlUpdate *update;
|
|
|
|
virtual void Field(const char *name, Ref f) {
|
|
update->Column(name, (Value)f);
|
|
}
|
|
};
|
|
|
|
SqlUpdate::SqlUpdate(Fields f) {
|
|
UpdateFieldOperator ufo;
|
|
ufo.update = this;
|
|
f(ufo);
|
|
table = ufo.table;
|
|
}
|
|
|
|
SqlUpdate& SqlUpdate::operator()(Fields f) {
|
|
UpdateFieldOperator ufo;
|
|
ufo.update = this;
|
|
f(ufo);
|
|
return *this;
|
|
}
|
|
|
|
SqlUpdate& SqlUpdate::operator()(const ValueMap& data)
|
|
{
|
|
for(int i = 0; i < data.GetCount(); i++)
|
|
operator()((String)data.GetKey(i), data.GetValue(i));
|
|
return *this;
|
|
}
|
|
|
|
SqlUpdate::operator SqlStatement() const {
|
|
StringBuffer stmt;
|
|
stmt << "update " << table.Quoted() << " set " << ~set;
|
|
if(!where.IsEmpty())
|
|
stmt << " where " << ~where;
|
|
return SqlStatement(stmt);
|
|
}
|
|
|
|
void SqlUpdate::Column(const SqlId& column, SqlVal val) {
|
|
set.Cat(SqlVal(SqlVal(column), " = ", val, SqlS::COMP));
|
|
}
|
|
|
|
void SqlUpdate::Column(const SqlSet& cols, const SqlSet& val)
|
|
{
|
|
set.Cat(SqlVal(SqlS(cols(), SqlS::HIGH), " = ", SqlS(val(), SqlS::HIGH), SqlS::COMP));
|
|
}
|
|
#endif
|
|
// ------------------------------------
|
|
// deprecated
|
|
|
|
bool SqlStatement::Execute(Sql& cursor) const {
|
|
ASSERT(text.GetCount());
|
|
return cursor.Execute(*this);
|
|
}
|
|
|
|
void SqlStatement::Force(Sql& cursor) const {
|
|
ASSERT(text.GetCount());
|
|
if(!cursor.Execute(*this))
|
|
throw SqlExc(cursor.GetSession());
|
|
}
|
|
|
|
Value SqlStatement::Fetch(Sql& cursor) const {
|
|
ASSERT(text.GetCount());
|
|
if(!Execute(cursor))
|
|
return ErrorValue(SqlExc(cursor.GetSession()));
|
|
if(!cursor.Fetch())
|
|
return Null;
|
|
return cursor[0];
|
|
}
|
|
|
|
#ifndef NOAPPSQL
|
|
bool SqlStatement::Execute() const {
|
|
return Execute(SQL);
|
|
}
|
|
|
|
void SqlStatement::Force() const {
|
|
Force(SQL);
|
|
}
|
|
|
|
Value SqlStatement::Fetch() const {
|
|
return Fetch(SQL);
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|