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#include "stdafx.h"
#include "Migration.h"
#include "Core/Join.h"
namespace sql {
Migration::Migration() {
tableAdd = new (this) Array<Schema *>();
tableMigrate = new (this) Array<Table *>();
tableRemove = new (this) Array<Str *>();
indexAdd = new (this) Array<Index *>();
indexRemove = new (this) Array<Index *>();
}
Bool Migration::any() const {
if (tableAdd->any() || tableRemove->any() || indexAdd->any() || indexRemove->any())
return true;
for (Nat i = 0; i < tableMigrate->count(); i++)
if (tableMigrate->at(i)->any())
return true;
return false;
}
Bool Migration::empty() const {
return !any();
}
void Migration::toS(StrBuf *to) const {
*to << S("{");
{
storm::Indent z(to);
if (tableRemove->any())
*to << S("\nremove tables: ") << join(tableRemove, S(", "));
if (tableMigrate->any()) {
*to << S("\nmigrate tables:\n");
storm::Indent w(to);
*to << join(tableMigrate, S("\n"));
}
if (tableAdd->any()) {
*to << S("\nadd tables:\n");
storm::Indent w(to);
*to << join(tableAdd, S("\n"));
}
if (indexRemove->any())
*to << S("\nremove index: ") << join(indexRemove, S(", "));
if (indexAdd->any()) {
*to << S("\nadd index:\n");
storm::Indent w(to);
*to << join(indexAdd, S("\n"));
}
}
*to << S("\n}");
}
Migration::ColAttrs::ColAttrs(Str *name, QueryType type) : name(name), type(type) {}
Bool Migration::ColAttrs::any() const {
if (currentAttributes != desiredAttributes)
return true;
if ((currentDefault != null) != (desiredDefault != null))
return true;
if (currentDefault && desiredDefault)
return *currentDefault != *desiredDefault;
return false;
}
Bool Migration::ColAttrs::empty() const {
return !any();
}
void Migration::ColAttrs::toS(StrBuf *to) const {
*to << name << S(" ") << type << S(" => current:");
sql::toSQL(to, currentAttributes);
if (currentDefault)
*to << S(" DEFAULT ") << currentDefault;
*to << S(", desired:");
sql::toSQL(to, desiredAttributes);
if (desiredDefault)
*to << S(" DEFAULT ") << desiredDefault;
}
Schema::Column *Migration::ColAttrs::toSchema() const {
Schema::Column *col = new (this) Schema::Column(name, type, desiredAttributes);
col->defaultValue = desiredDefault;
return col;
}
Migration::Table::Table(Str *table) : table(table) {
colRemove = new (this) Array<Str *>();
colMigrate = new (this) Array<ColAttrs *>();
colAdd = new (this) Array<Schema::Column *>();
updatePrimaryKeys = false;
primaryKeys = new (this) Array<Str *>();
}
Bool Migration::Table::any() const {
return colRemove->any()
|| colMigrate->any()
|| colAdd->any()
|| updatePrimaryKeys;
}
Bool Migration::Table::empty() const {
return !any();
}
void Migration::Table::toS(StrBuf *to) const {
*to << table << S(" : {");
{
storm::Indent z(to);
if (colRemove->any())
*to << S("\nremove columns: ") << join(colRemove, S(", "));
if (colMigrate->any()) {
*to << S("\nmigrate columns:\n");
storm::Indent w(to);
*to << join(colMigrate, S("\n"));
}
if (colAdd->any())
*to << S("\nadd columns: ") << join(colAdd, S(", "));
}
*to << S("\n}");
}
Migration::Index::Index(Str *table, Schema::Index *index)
: Schema::Index(*index), table(table) {}
Migration::Index::Index(Str *table, Str *name, Array<Str *> *columns)
: Schema::Index(name, columns), table(table) {}
void Migration::Index::toS(StrBuf *to) const {
*to << S("INDEX ") << name << S(" ON ") << table << S("(") << join(columns, S(", ")) << S(")");
}
void Migration::Index::toSQL(QueryStrBuilder *to) const {
Schema::Index::toSQL(to, table);
}
}
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