added to database_functions.sh script

.gitignore

@@ -4,3 +4,5 @@ web/app/__pycache__/
 .DS_Store
 instance
 database_functions_live.sh
+old_database_schema
+db_exports

database_functions.sh

@@ -26,23 +26,37 @@ Help()
    # Display Help
    echo "This script performs database functions for the ExPub Compendium"
    echo
-   echo "Syntax: database_functions.sh [-l|h|e]"
+   echo "Syntax: database_functions.sh [-l|h|e|i|c]"
    echo "options:"
    echo "l     Print the MIT License notification."
    echo "h     Print this Help."
-   echo "e     Export."
-   echo "i     Import."
+   echo "e     Export whole database."
+   echo "i     Import whole database."
+   echo "c     Export single table as CSV."
+   echo "v     Import CSV file to table."
    echo
 }
 
 Export()
 {
-  docker exec -it $CONTAINER mysqldump --single-transaction -u $USERNAME -p$PASSWORD $DATABASE > $EXPORT_FILENAME`date +"%Y%m%d"`.sql
+  docker exec -it $CONTAINER mysqldump --single-transaction -u $USERNAME -p$PASSWORD $DATABASE > $EXPORT_SQL_FILENAME`date +"%Y%m%d"`.sql
 }
 
 Import()
 {
-  docker exec -i $CONTAINER mysql -u $USERNAME -p$PASSWORD $DATABASE < $DIRECTORY/$IMPORT_FILENAME
+  docker exec -i $CONTAINER mysql -u $USERNAME -p$PASSWORD $DATABASE < $IMPORT_SQL_DIRECTORY/$IMPORT_SQL_FILENAME
+}
+
+CSV_table_export()
+{
+  docker exec -it $CONTAINER bash -c "mysql -u $USERNAME -p$PASSWORD $DATABASE --batch -e 'SELECT * FROM $TABLE'" > $EXPORT_CSV_DIRECTORY/$CSV_FILENAME.txt
+}
+
+CSV_table_import()
+{
+  docker cp $IMPORT_CSV_FILE $CONTAINER:/tmp/import_file
+
+  docker exec -i $CONTAINER bash -c "mysql -u $USERNAME -p$PASSWORD $DATABASE -e 'LOAD DATA LOCAL INFILE '\''/tmp/import_file'\'' REPLACE INTO TABLE $TABLE FIELDS TERMINATED BY '\''\t'\'' LINES TERMINATED BY '\''\n'\'' IGNORE 1 ROWS;'"
 }
 ############################################################
 ############################################################
@@ -55,13 +69,15 @@ CONTAINER=mariadb
 DATABASE=toolkit
 USERNAME=xxxxxxxx
 PASSWORD=xxxxxxxx
-EXPORT_FILENAME=toolkit_db_
-DIRECTORY="/Users/ad7588/Downloads"
-IMPORT_FILENAME=toolkit_db.sql
+EXPORT_SQL_FILENAME=toolkit_db_
+IMPORT_SQL_DIRECTORY="/Users/ad7588/Downloads"
+IMPORT_SQL_FILENAME=toolkit_db.sql
+EXPORT_CSV_DIRECTORY="./db_exports"
+CSV_FILENAME=$2`date +"%Y%m%d"`
 
 # Get the options
-while getopts ":hlimzaespxdw" option; do
-   case $option in
+while getopts ":hleicv" flag; do
+   case $flag in
       l) # display License
         License
         exit;;
@@ -74,6 +90,15 @@ while getopts ":hlimzaespxdw" option; do
       i) # import database from file
         Import
         exit;;
+      c) # export single table as CSV
+        TABLE=$2
+        CSV_table_export
+        exit;;
+      v) # import single CSV to table
+        TABLE=$2
+        IMPORT_CSV_FILE=$3
+        CSV_table_import
+        exit;;
       \?) # Invalid option
         echo "Error: Invalid option"
         exit;;