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gnosygnu_xowa/140_dbs/xtn/gplx/dbs/SqliteDbMain.java

247 lines
9.0 KiB

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.dbs;
import gplx.*; import gplx.core.consoles.*; import gplx.core.envs.Env_;
import gplx.core.envs.System_;
import gplx.dbs.engines.sqlite.*;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.sql.*;
public class SqliteDbMain {
public static void main(String[] args) throws Exception {
SqliteDbMain main = new SqliteDbMain();
// main.JdbcInit(args);
// main.Read();
// main.Mass_upload(Io_url_.new_dir_("J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\"));
// main.CreateMany(20, 0);
main.CreateMany(20, 1000000 + 1);
}// 179,167,161,147,160,165,159
/*
'5281' '189'
'5266' '189'
'5640' '177'
'5719' '174'
'5766' '173'
*/
// private void JdbcInit(String[] args) {
// try {
// Class.forName("SQLite.JDBCDriver");
// }
// catch (Exception e) {
// ConsoleAdp._.WriteLine(e.getMessage());
// }
// }
private void CreateMany(int number, int base_val) {
long time_bgn = System_.Ticks();
Db_conn provider = Db_conn_pool.Instance.Get_or_new(Db_conn_info_.sqlite_(Io_url_.new_fil_("E:\\test.sqlite3")));
String tbl_sql = String_.Concat_lines_nl
( "CREATE TABLE fsdb_xtn_thm"
, "( thm_id integer NOT NULL PRIMARY KEY"
, ", thm_owner_id integer NOT NULL"
, ", thm_w integer NOT NULL"
, ", thm_h integer NOT NULL"
, ", thm_thumbtime integer NOT NULL"
, ", thm_bin_db_id integer NOT NULL"
, ", thm_size bigint NOT NULL"
, ", thm_modified varchar(14) NOT NULL"
, ", thm_hash varchar(40) NOT NULL"
, ");"
);
Sqlite_engine_.Tbl_create_and_delete(provider, "fsdb_xtn_thm", tbl_sql);
// provider.Txn_mgr().Txn_bgn();
Db_stmt stmt = Db_stmt_.new_insert_(provider, "fsdb_xtn_thm", "thm_id", "thm_owner_id", "thm_w", "thm_h", "thm_thumbtime", "thm_bin_db_id", "thm_size", "thm_modified", "thm_hash");
for (int i = 0; i < number; i++) {
stmt.Clear()
.Val_int(base_val + i)
.Val_int(base_val + i)
.Val_int(220)
.Val_int(200)
.Val_int(-1)
.Val_int(15)
.Val_long(23456)
.Val_str("")
.Val_str("")
.Exec_insert();
}
long time_elapsed = (System_.Ticks() - time_bgn);
// provider.Txn_mgr().Txn_end();
provider.Rls_conn();
Tfds.Write(time_elapsed, number / time_elapsed);
// 250; 260
Tfds.Write("");
}
Connection conn; PreparedStatement stmt;
void Read() {
try {
Class.forName("org.sqlite.JDBC");
conn = DriverManager.getConnection("jdbc:sqlite:J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\meta.db");
Statement stat = conn.createStatement();
// stat.executeUpdate("DROP TABLE temp;");
// stat.executeUpdate("CREATE TABLE temp (ttl varchar(1024));");
// PreparedStatement prep = conn.prepareStatement("INSERT INTO temp VALUES (?);");
// conn.setAutoCommit(false);
// prep.setString(1, "Rembrandt auto 1627.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt van Rijn 184.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt laughing.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt van Rijn 199.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt Harmensz. van Rijn 144.jpg"); prep.addBatch();
// prep.setString(1, "Self-portrait at 34 by Rembrandt.jpg"); prep.addBatch();
// prep.setString(1, "Selfportrait Rembrandt1641.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt Harmensz. van Rijn 127b.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt Harmensz. van Rijn 132.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt - Self Portrait111.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt self portrait.jpg"); prep.addBatch();
// prep.setString(1, "Rembrant Self-Portrait, 1660.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt van rijn-self portrait.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt, Auto-portrait, 1660.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt van Rijn 142 version 02.jpg"); prep.addBatch();
// prep.setString(1, "Rembrandt Harmensz. van Rijn 135.jpg"); prep.addBatch();
// prep.executeBatch();
// conn.setAutoCommit(true);
// ResultSet rs = stat.executeQuery("SELECT TOP 10 files.* FROM files JOIN temp ON files.ttl = temp.ttl;");
// ResultSet rs = stat.executeQuery("SELECT files.* FROM files LIMIT 100;");
ResultSet rs = stat.executeQuery("SELECT files.* FROM files WHERE ttl IN ('380CHANGI.jpg', '20120523Palmen_Hockenheim1.jpg') ;");
while (rs.next()) {
System.out.println("ttl = " + rs.getString("ttl") + "; orig_w = " + rs.getString("orig_w") + "; orig_h = " + rs.getString("orig_h"));
}
rs.close();
}catch(Exception e) {
Err_.Noop(e);
}
}
void Index() {
try {
Class.forName("org.sqlite.JDBC");
conn = DriverManager.getConnection("jdbc:sqlite:J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\meta.db");
Statement stat = conn.createStatement();
stat.executeUpdate("PRAGMA synchronous=OFF");
stat.executeUpdate("PRAGMA count_changes=OFF");
stat.executeUpdate("PRAGMA journal_mode=MEMORY");
stat.executeUpdate("PRAGMA temp_store=MEMORY");
conn.setAutoCommit(false);
stat.executeUpdate("CREATE INDEX files_ndx ON files (ttl);");
conn.commit();
conn.setAutoCommit(true);
}catch(Exception e) {
Err_.Noop(e);
}
}
void Mass_upload(Io_url dir) {
try {
Class.forName("org.sqlite.JDBC");
conn = DriverManager.getConnection("jdbc:sqlite:J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\meta.db");
Statement stat = conn.createStatement();
stat.executeUpdate("drop table if exists files;");
String sql = String_.Concat_lines_nl
( "CREATE TABLE files"
, "( ttl varchar(1024)"
, ", redirect varchar(1024)"
, ", ext int"
, ", orig_mode int"
, ", orig_w int"
, ", orig_h int"
, ", thumbs varchar(2048)" // assuming 10 bytes per thumb, roughly 200 thumbs
, ");"
);
stat.executeUpdate(sql);
Console_adp__sys.Instance.Write_str_w_nl(Datetime_now.Get().XtoStr_fmt_yyyyMMdd_HHmmss_fff());
// stat.executeUpdate("BEGIN TRANSACTION");
stat.executeUpdate("PRAGMA synchronous=OFF");
stat.executeUpdate("PRAGMA count_changes=OFF");
stat.executeUpdate("PRAGMA journal_mode=MEMORY");
stat.executeUpdate("PRAGMA temp_store=MEMORY");
conn.setAutoCommit(false);
stmt = conn.prepareStatement("insert into files values (?, ?, ?, ?, ?, ?, ?);");
Iterate_dir(dir);
// stat.executeUpdate("COMMIT TRANSACTION");
stmt.executeBatch();
conn.commit();
conn.setAutoCommit(true);
}catch(Exception e) {
Err_.Noop(e);
}
}
void Iterate_dir(Io_url dir) {
Io_url[] urls = Io_mgr.Instance.QueryDir_args(dir).DirInclude_().ExecAsUrlAry();
int urls_len = urls.length;
Console_adp__sys.Instance.Write_str_w_nl(dir.Raw());
boolean is_root = false;
for (int i = 0; i < urls_len; i++) {
Io_url url = urls[i];
if (url.Type_dir())
Iterate_dir(url);
else {
try {
is_root = true;
Insert_file(url);
}catch(Exception e) {
Err_.Noop(e);
}
}
}
try {
if (is_root) {
stmt.executeBatch();
stmt.clearBatch();
}
}catch(Exception e) {
Err_.Noop(e);
}
}
void Insert_file(Io_url url) {
if (String_.EqNot(url.Ext(), ".csv")) return;
String raw = Io_mgr.Instance.LoadFilStr(url);
String[] lines = String_.SplitLines_nl(raw);
int lines_len = lines.length;
for (int i = 0; i < lines_len; i++) {
String line = lines[i];
Insert_line(line);
}
}
void Insert_line(String line) {
try {
String[] flds = String_.Split(line, '|');
int flds_len = flds.length;
if (flds_len == 0) return;
stmt.setString(1, flds[2]);
if (flds_len == 4)
stmt.setString(2, flds[3]);
if (flds_len > 4) {
stmt.setInt(3, Bry_.new_a7(flds[3])[0] - 32);
byte[] orig = Bry_.new_a7(flds[4]);
int orig_mode = orig[0] - Byte_ascii.Num_0;
int comma_pos = Bry_find_.Find_fwd(orig, Byte_ascii.Comma);
int orig_w = Bry_.To_int_or(orig, 2, comma_pos, -1);
int orig_h = Bry_.To_int_or(orig, comma_pos + 1, orig.length, -1);
stmt.setInt(4, orig_mode);
stmt.setInt(5, orig_w);
stmt.setInt(6, orig_h);
if (flds_len > 5)
stmt.setString(7, flds[4]);
}
stmt.addBatch();
}catch(Exception e) {
Err_.Noop(e);
}
}
}