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update

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SDGDen
2026-03-05 01:46:34 +01:00
parent 08cb585468
commit 38f9045ebd
1 changed files with 33 additions and 10 deletions
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43
prepdb.sh
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@@ -20,19 +20,26 @@ replace_in_sqlite_db() {
local OLD_STRING_ESC=$(printf '%s\n' "$OLD_STRING" | sed "s/'/''/g") local OLD_STRING_ESC=$(printf '%s\n' "$OLD_STRING" | sed "s/'/''/g")
local NEW_STRING_ESC=$(printf '%s\n' "$NEW_STRING" | sed "s/'/''/g") local NEW_STRING_ESC=$(printf '%s\n' "$NEW_STRING" | sed "s/'/''/g")
# Begin a transaction # Begin a transaction at the start
sqlite3 "$DB_PATH" "BEGIN TRANSACTION;" sqlite3 "$DB_PATH" "BEGIN TRANSACTION;" || {
echo "Error: Failed to begin transaction"
exit 1
}
# Get a list of all tables in the database # Get a list of all tables in the database
local TABLES local TABLES
TABLES=$(sqlite3 "$DB_PATH" ".tables") TABLES=$(sqlite3 "$DB_PATH" ".tables") || {
echo "Error: Failed to get list of tables"
sqlite3 "$DB_PATH" "ROLLBACK;"
exit 1
}
# Loop through each table # Loop through each table
for TABLE in $TABLES; do for TABLE in $TABLES; do
echo "Processing table: $TABLE" echo "Processing table: $TABLE"
# Get a list of all non-BLOB columns in the table # Get a list of all non-BLOB columns in the table
sqlite3 "$DB_PATH" "PRAGMA table_info($TABLE);" | awk -F'|' ' sqlite3 "$DB_PATH" "PRAGMA table_info(\"$TABLE\");" | awk -F'|' '
{ {
if ($3 != "BLOB") { if ($3 != "BLOB") {
print $2 print $2
@@ -41,18 +48,34 @@ replace_in_sqlite_db() {
if [ -n "$COLUMN" ]; then if [ -n "$COLUMN" ]; then
echo " Processing column: $COLUMN" echo " Processing column: $COLUMN"
# Escape column name if it's a reserved keyword
local ESCAPED_COLUMN
local ESCAPED_TABLE="\"$TABLE\""
if [[ "$COLUMN" =~ ^(index|group|order|table|view|database|schema|trigger|transaction|commit|rollback|savepoint|release|alter|create|drop|insert|update|delete|select|from|where|join|union|intersect|except|limit|offset|order|by|group|having|as|with|replace|cast|case|when|then|else|end|and|or|not|is|null|between|in|like|glob|match|regexp|collate|exists|unique|primary|key|foreign|references|check|constraint|default|collate|asc|desc|on|using|natural|left|right|full|outer|cross|inner)$ ]]; then
ESCAPED_COLUMN="\"$COLUMN\""
else
ESCAPED_COLUMN="$COLUMN"
fi
# Update only rows where the column contains OLD_STRING # Update only rows where the column contains OLD_STRING
sqlite3 "$DB_PATH" " sqlite3 "$DB_PATH" "
UPDATE $TABLE UPDATE $ESCAPED_TABLE
SET $COLUMN = replace(CAST($COLUMN AS TEXT), '$OLD_STRING_ESC', '$NEW_STRING_ESC') SET $ESCAPED_COLUMN = replace(CAST($ESCAPED_COLUMN AS TEXT), '$OLD_STRING_ESC', '$NEW_STRING_ESC')
WHERE CAST($COLUMN AS TEXT) LIKE '%$OLD_STRING_ESC%'; WHERE CAST($ESCAPED_COLUMN AS TEXT) LIKE '%$OLD_STRING_ESC%';
" " || {
echo "Error updating table $TABLE, column $COLUMN"
sqlite3 "$DB_PATH" "ROLLBACK;"
exit 1
}
fi fi
done done
done done
# Commit the transaction # Commit the transaction at the end
sqlite3 "$DB_PATH" "COMMIT;" sqlite3 "$DB_PATH" "COMMIT;" || {
echo "Error committing transaction"
exit 1
}
echo "Replacement completed in '$DB_PATH'. Original database backed up to '$BACKUP_PATH'." echo "Replacement completed in '$DB_PATH'. Original database backed up to '$BACKUP_PATH'."
} }