42432b06a9
- Moved detail tabs of table to their own components - Table list has become seperate component on seperate tab - Table list does not use designer anymore - Moved sequences and functions tabs into the catalog inspector
393 lines
10 KiB
C++
393 lines
10 KiB
C++
#include "PgProc.h"
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#include "std_utils.h"
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#include "SqlFormattingUtils.h"
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#include "PgDatabaseCatalog.h"
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#include "PgLanguageContainer.h"
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#include "PgTypeContainer.h"
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#include <QStringBuilder>
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#include <boost/assert.hpp>
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namespace {
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Arg::Mode CharToArgMode(char c)
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{
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switch (c) {
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case 'i': return Arg::In;
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case 'o': return Arg::Out;
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case 'b': return Arg::InOut;
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case 'v': return Arg::Variadic;
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case 't': return Arg::Table;
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}
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throw std::runtime_error("Unexpected value for pg_proc.proargmodes");
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}
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QString ArgModeToString(Arg::Mode m)
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{
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switch (m) {
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case Arg::In: return "IN";
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case Arg::Out: return "OUT";
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case Arg::InOut: return "INOUT";
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case Arg::Variadic: return "VARIADIC";
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case Arg::Table: return "TABLE";
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}
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throw std::runtime_error("Unexpected value for Arg::Mode");
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}
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std::vector<QString> getArrayFromCommaSeparatedList(const QString &str)
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{
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std::vector<QString> res;
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const int len = str.length();
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if (len == 0)
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return res;
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// setup start state for parsing
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int index = 0, brackets = 0, start_array = 0;
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bool single_quote = false, double_quote = false;
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for(; index < len; index++) {
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QChar ch = str[index];
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if (!double_quote && ch == L'\'')
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single_quote = !single_quote;
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else if (!single_quote && ch == L'"')
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double_quote = !double_quote;
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else if (!double_quote && !single_quote && ch == L'(')
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brackets++;
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else if (!double_quote && !single_quote && ch == L')')
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brackets--;
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else if (!double_quote && !single_quote && brackets == 0 && ch == L',') {
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if (index != start_array)
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res.push_back(str.mid(start_array, index - 1).trimmed());
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else
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res.push_back(QString());
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start_array = index + 1;
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}
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}
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if (double_quote || single_quote || brackets != 0)
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throw std::runtime_error("Error parsing comma seperated array");
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// Add last value to array
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res.push_back(str.right(start_array).trimmed());
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return res;
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}
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}
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void operator<<(ProcKind &s, const Pgsql::Value &v)
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{
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const char *c = v.c_str();
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switch (*c) {
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case 'f':
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s = ProcKind::Function;
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break;
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case 'p':
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s = ProcKind::Procedure;
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break;
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case 'a':
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s = ProcKind::Aggregate;
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break;
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case 'w':
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s = ProcKind::Window;
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break;
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default:
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throw std::runtime_error("Unexpected value for ProcKind");
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}
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}
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void operator<<(ParallelMode &s, const Pgsql::Value &v)
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{
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const char *c = v.c_str();
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switch (*c) {
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case 'u':
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s = ParallelMode::Unsafe;
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break;
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case 'r':
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s = ParallelMode::Restricted;
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break;
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case 's':
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s = ParallelMode::Safe;
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break;
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default:
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throw std::runtime_error("Unexpected value for ParallelMode");
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}
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}
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QString parallelModeToSql(ParallelMode pm, bool explicit_unsafe)
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{
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switch (pm) {
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case ParallelMode::Unsafe:
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return explicit_unsafe ? "PARALLEL UNSAFE" : "";
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case ParallelMode::Restricted:
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return "PARALLEL RESTRICTED";
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case ParallelMode::Safe:
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return "PARALLEL SAFE";
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default:
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throw std::runtime_error("Unexpected value for pm in parallelModeToSql");
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}
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}
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void PgProc::setArgs(
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std::vector<Oid> argtypes,
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std::vector<Oid> allargtypes,
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std::vector<char> argmodes,
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std::vector<QString> argnames,
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std::optional<QString> argdefaults
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)
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{
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// When all args are of type IN allargtypes is empty and only argtypes is filled
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const std::vector<Oid> &types = allargtypes.empty() ? argtypes : allargtypes;
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const size_t count = types.size();
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m_args.clear();
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m_args.reserve(count);
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for (size_t index = 0; index < count; ++index) {
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// we "forget" the default here because it is easier
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// to apply them in reverse order when we have already
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// filled the list
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m_args.emplace_back(
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types[index],
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CharToArgMode(value_or(argmodes, index, 'i')),
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value_or(argnames, index, QString()),
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""
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);
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}
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auto defaults_array = getArrayFromCommaSeparatedList(argdefaults.value_or(QString()));
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// Apply defaults from end to start to IN en INOUT parameters (others can't have a default)
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size_t arg_idx = m_args.size() - 1;
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for (auto def_iter = defaults_array.rbegin(); def_iter != defaults_array.rend(); ++def_iter) {
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// skip arguments with wrong mode
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while (m_args[arg_idx].mode != Arg::In && m_args[arg_idx].mode != Arg::InOut)
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if (arg_idx == 0) throw std::runtime_error("Error processing defaults");
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else --arg_idx;
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m_args[arg_idx].def = *def_iter;
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}
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}
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const std::vector<Arg>& PgProc::args() const
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{
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return m_args;
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}
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QString PgProc::argListWithNames(bool multiline) const
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{
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QString args;
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size_t nArgs = 0;
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auto&& types = catalog().types();
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for (auto&& arg_elem : m_args) {
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// All Table arguments lies at the end of the list
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// Do not include them as the part of the argument list
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if (arg_elem.mode == Arg::Table)
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break;
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nArgs++;
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if (args.length() > 0)
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args += (multiline) ? ",\n " : ", ";
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QString arg;
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if (arg_elem.mode != Arg::In)
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arg += ArgModeToString(arg_elem.mode);
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if (!arg_elem.name.isEmpty()) {
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if (!arg.isEmpty())
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arg += " ";
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arg += quoteIdent(arg_elem.name);
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}
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if (!arg.isEmpty())
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arg += " ";
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arg += types->getByKey(arg_elem.type)->objectName();
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if (!arg_elem.def.isEmpty())
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arg += " DEFAULT " + arg_elem.def;
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args += arg;
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}
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if (multiline && nArgs > 1)
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args = "\n " + args;
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return args;
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}
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// Return the signature arguments list. If forScript = true, we format the list
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// appropriately for use in a SELECT script.
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QString PgProc::argSigList(const bool forScript) const
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{
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QString args;
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auto&& types = catalog().types();
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for (auto&& arg_elem : m_args) {
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// OUT parameters are not considered part of the signature, except for EDB-SPL,
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// although this is not true for EDB AS90 onwards..
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if (arg_elem.mode != Arg::Out && arg_elem.mode != Arg::Table) {
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if (args.length() > 0) {
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if (forScript)
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args += ",\n";
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else
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args += ", ";
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}
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QString typname = types->getByKey(arg_elem.type)->objectName();
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if (forScript)
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args += " <" + typname + ">";
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else
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args += typname;
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}
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}
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return args;
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}
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QString PgProc::createSql() const
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{
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if (createSqlCache.isEmpty()) {
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QString sql;
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if (isAggregate()) {
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/// \todo Support for aggregates
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createSqlCache = "-- aggregates not supported yet\n";
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return createSqlCache;
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}
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QString quoted_name = QString("%1(%2)").arg(fullyQualifiedQuotedObjectName(), argListWithNames(true));
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QString quoted_sig = QString("%1(%2)").arg(fullyQualifiedQuotedObjectName(), argSigList());
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if (isProcedure()) {
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// P CREATE [ OR REPLACE ] PROCEDURE
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// name ( [ [ argmode ] [ argname ] argtype [ { DEFAULT | = } default_expr ] [, ...] ] )
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sql = QString("-- Procedure: %1\n\n"
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"-- DROP PROCEDURE %1;\n\n"
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"CREATE OR REPLACE PROCEDURE %2\n"
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).arg(quoted_sig, quoted_name);
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}
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else {
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// all other kinds are functions
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// F CREATE [ OR REPLACE ] FUNCTION
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// name ( [ [ argmode ] [ argname ] argtype [ { DEFAULT | = } default_expr ] [, ...] ] )
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// F [ RETURNS rettype
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/// \todo F | RETURNS TABLE ( column_name column_type [, ...] ) ]
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auto&& types = catalog().types();
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QString return_type = types->getByKey(rettype)->objectName();
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sql = QString("-- Function: %1\n\n"
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"-- DROP FUNCTION %1;\n\n"
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"CREATE OR REPLACE FUNCTION %2\n"
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" RETURNS %3"
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).arg(quoted_sig, quoted_name, return_type);
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}
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sql += " AS\n";
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auto language = catalog().languages()->getByKey(lang);
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BOOST_ASSERT(language != nullptr);
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if (language->isC()) {
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// | AS 'obj_file', 'link_symbol'
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sql += escapeLiteral(bin) % ", " % escapeLiteral(src);
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}
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else {
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// | AS 'definition'
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sql += dollarQuoteString(src);
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}
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// { LANGUAGE lang_name
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sql += "\n LANGUAGE " % language->quotedObjectName();
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/// \todo | TRANSFORM { FOR TYPE type_name } [, ... ]
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// | WINDOW
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if (isWindow())
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sql += " WINDOW";
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if (!isProcedure()) {
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// F | IMMUTABLE | STABLE | VOLATILE | [ NOT ] LEAKPROOF
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sql += " " % volatility();
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if (leakproof)
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sql += " LEAKPROOF";
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// F | CALLED ON NULL INPUT | RETURNS NULL ON NULL INPUT | STRICT
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// CALLED ON NULL INPUT is the default so we never specify this
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// RETURNS NULL ON NULL INPUT is an alias for STRICT so we use STRICT
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if (isstrict)
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sql += " STRICT"
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;
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/// \todo F | [ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER
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// if (GetSecureDefiner())
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// sql += wxT(" SECURITY DEFINER");
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// F | PARALLEL { UNSAFE | RESTRICTED | SAFE }
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sql += " " % parallelModeToSql(parallel);
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// F | COST execution_cost
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sql += QString("\n COST %1").arg(static_cast<double>(cost));
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// F | ROWS result_rows
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if (retset)
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sql += QString("n ROWS %1").arg(static_cast<double>(rows));
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}
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sql += ";";
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// | SET configuration_parameter { TO value | = value | FROM CURRENT }
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for (auto&& cfg : config) {
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auto before = cfg.section('=', 0, 0); // before first =
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auto after = cfg.section('=', 1, -1); // everything after first =
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if (before != "search_path" && before != "temp_tablespaces")
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sql += QString("\nALTER FUNCTION %1 SET %2 TO '%3'").arg(quoted_sig, before, after);
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else
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sql += QString("\nALTER FUNCTION %1 SET %2 TO %3").arg(quoted_sig, before, after);
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}
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// sql += wxT("\n")
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// + GetGrant(wxT("X"), wxT("FUNCTION ") + qtSig);
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sql += alterOwnerSql("FUNCTION " + quoted_sig);
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sql += grantSql();
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// if (!GetComment().IsNull())
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// {
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// sql += wxT("COMMENT ON FUNCTION ") + qtSig
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// + wxT(" IS ") + qtDbString(GetComment()) + wxT(";\n");
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// }
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// if (GetConnection()->BackendMinimumVersion(9, 1))
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// sql += GetSeqLabelsSql();
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createSqlCache = std::move(sql);
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}
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return createSqlCache;
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}
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QString PgProc::volatility() const
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{
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switch (provolatile) {
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case 'i': return "IMMUTABLE";
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case 's': return "STABLE";
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case 'v': return "VOLATILE";
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}
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return "<unknown>";
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}
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QString PgProc::typeName() const
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{
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switch (kind) {
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case ProcKind::Function:
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case ProcKind::Window:
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return "FUNCTION";
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case ProcKind::Procedure:
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return "PROCEDURE";
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case ProcKind::Aggregate:
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return "AGGREGATE";
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}
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throw std::runtime_error("Unexpected kind in PgProc::typeName()");
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}
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QString PgProc::aclAllPattern() const
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{
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// X = execute
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return "X";
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}
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