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Version 5.0

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Describing the dump, listing all databases and tables.
Extracting one or more tables from single database.
This commit is contained in:
Kedar
2015-04-17 21:09:09 +05:30
parent 0225fd8f3e
commit fa7cfb2dd8
1 changed files with 38 additions and 5 deletions
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43
mysqldumpsplitter.sh
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@@ -1,6 +1,6 @@
#!/bin/sh #!/bin/sh
# Current Version: 4.0 # Current Version: 5.0
# Extracts database, table, all databases, all tables or tables matching on regular expression from the mysqldump. # Extracts database, table, all databases, all tables or tables matching on regular expression from the mysqldump.
# Includes output compression options. # Includes output compression options.
# By: Kedar Vaijanapurkar # By: Kedar Vaijanapurkar
@@ -22,7 +22,9 @@
# ... Detecting source dump types (compressed/sql). # ... Detecting source dump types (compressed/sql).
# ... Support for compressed backup and bz2 format. # ... Support for compressed backup and bz2 format.
# Credit: Andrzej Wroblewski (andrzej.wroblewski@packetstorm.pl) for his inputs on compressed backup & bz2 support. # Credit: Andrzej Wroblewski (andrzej.wroblewski@packetstorm.pl) for his inputs on compressed backup & bz2 support.
# # Ver. 5.0: Apr, 2015
# ... Describing the dump, listing all databases and tables
# ... Extracting one or more tables from single database
## ##
# ToDo: Work with straming input # ToDo: Work with straming input
@@ -49,17 +51,18 @@ TABLE_NAME='';
DB_NAME=''; DB_NAME='';
COMPRESSION='gzip'; COMPRESSION='gzip';
DECOMPRESSION='cat'; DECOMPRESSION='cat';
VERSION=4.0 VERSION=5.0
## Usage Description ## Usage Description
usage() usage()
{ {
echo "\n\t\t\t\t\t\t\t${txtgrn}${txtund}************ Usage ************ \n"${txtrst}; echo "\n\t\t\t\t\t\t\t${txtgrn}${txtund}************ Usage ************ \n"${txtrst};
echo "${txtgrn}sh mysqldumpsplitter.sh --source filename --extract [DB|TABLE|ALLDBS|ALLTABLES|REGEXP] --match_str string --compression [gzip|pigz|bzip2|none] --decompression [gzip|pigz|bzip2|none] --output_dir [path to output dir] [--config /path/to/config] ${txtrst}" echo "${txtgrn}sh mysqldumpsplitter.sh --source filename --extract [DB|TABLE|DBTABLES|ALLDBS|ALLTABLES|REGEXP] --match_str string --compression [gzip|pigz|bzip2|none] --decompression [gzip|pigz|bzip2|none] --output_dir [path to output dir] [--config /path/to/config] ${txtrst}"
echo "${txtund} ${txtrst}" echo "${txtund} ${txtrst}"
echo "OPTIONS:" echo "OPTIONS:"
echo "${txtund} ${txtrst}" echo "${txtund} ${txtrst}"
echo " --source: mysqldump filename to process. It could be a compressed or regular file." echo " --source: mysqldump filename to process. It could be a compressed or regular file."
echo " --desc: This option will list out all databases and tables."
echo " --extract: Specify what to extract. Possible values DB, TABLE, ALLDBS, ALLTABLES, REGEXP" echo " --extract: Specify what to extract. Possible values DB, TABLE, ALLDBS, ALLTABLES, REGEXP"
echo " --match_str: Specify match string for extract command option." echo " --match_str: Specify match string for extract command option."
echo " --compression: gzip/pigz/bzip2/none (default: gzip). Extracted file will be of this compression." echo " --compression: gzip/pigz/bzip2/none (default: gzip). Extracted file will be of this compression."
@@ -98,7 +101,7 @@ parse_result()
echo "${txtylw}Ignoring option --match_string.${txtrst}" echo "${txtylw}Ignoring option --match_string.${txtrst}"
fi; fi;
;; ;;
DB|TABLE|REGEXP) DB|TABLE|REGEXP|DBTABLE)
if [ "$MATCH_STR" = '' ]; then if [ "$MATCH_STR" = '' ]; then
echo "${txtred}ERROR: Expecting input for option --match_string.${txtrst}" echo "${txtred}ERROR: Expecting input for option --match_string.${txtrst}"
exit 1; exit 1;
@@ -252,6 +255,26 @@ dump_splitter()
echo "${txtbld}Total $TABLE_COUNT tables extracted.${txtrst}" echo "${txtbld}Total $TABLE_COUNT tables extracted.${txtrst}"
;; ;;
DBTABLE)
MATCH_DB=`echo $MATCH_STR | awk -F "." {'print $1'}`
MATCH_TBLS=`echo $MATCH_STR | awk -F "." {'print $2'}`
if [ "$MATCH_TBLS" = "*" ]; then
MATCH_TBLS='';
fi;
TABLE_COUNT=0;
for tablename in $( $DECOMPRESSION $SOURCE | sed -n "/^-- Current Database: \`$MATCH_DB\`/,/^-- Current Database: /p" | grep -E "^-- Table structure for table \`$MATCH_TBLS" | awk -F '\`' {'print $2'} )
do
echo "Extracting $tablename..."
#Extract table specific dump to tablename.sql
$DECOMPRESSION $SOURCE | sed -n "/^-- Current Database: \`$MATCH_DB\`/,/^-- Current Database: /p" | sed -n "/^-- Table structure for table \`$tablename\`/,/^-- Table structure for table/p" | $COMPRESSION > $OUTPUT_DIR/$tablename.$EXT
echo "${txtbld}Table $tablename extracted from $DUMP_FILE at $OUTPUT_DIR/$tablename.$EXT${txtrst}"
TABLE_COUNT=$((TABLE_COUNT+1))
done;
echo "${txtbld}Total $TABLE_COUNT tables extracted from $MATCH_DB.${txtrst}"
;;
*) echo "Wrong option, exiting."; *) echo "Wrong option, exiting.";
usage; usage;
exit 1;; exit 1;;
@@ -277,6 +300,16 @@ while [ "$1" != "" ]; do
missing_arg --source missing_arg --source
fi; fi;
SOURCE=$1 ;; SOURCE=$1 ;;
--desc )
EXTRACT="none"
echo "-------------------------------";
echo "Database\t\tTables";
echo "-------------------------------";
$DECOMPRESSION $SOURCE | grep -E "(^-- Current Database:|^-- Table structure for table)" | sed 's/-- Current Database: /-------------------------------\n/' | sed 's/-- Table structure for table /\t\t/'| sed 's/`//g' ;
echo "-------------------------------";
exit 0;
;;
--extract|-E ) shift --extract|-E ) shift
if [ -z $1 ]; then if [ -z $1 ]; then
missing_arg --extract missing_arg --extract