Added support for PostgreSQL versions 11, 12.

--checkdb (pg_logical_validation):

For PostgreSQL version <= 10 install the "amcheck_next" extension.
if PostgreSQL version >=11 install (included in the postgresql package) extension "amcheck".

Author: vitabaks

README.md

@@ -206,13 +206,13 @@ Debian/Ubuntu
 ###### PostgreSQL versions: 
 all supported PostgreSQL versions
 
-:white_check_mark: tested, works fine: `PostgreSQL 9.4, 10`
+:white_check_mark: tested, works fine: `PostgreSQL 9.4, 10, 11`
 
 ## Requirements
 pgbackrest >= 2.01
 
-for `--checkdb`: 
-- [amcheck_next](https://github.com/petergeoghegan/amcheck) extension/SQL version >=2. 
+for `--checkdb`:
+- [amcheck_next](https://github.com/petergeoghegan/amcheck) extension/SQL version >=2 `(if PostgreSQL version <= 10)`.
 
 >You can use the packages for your PostgreSQL version from the [APT](https://apt.postgresql.org/pub/repos/apt/pool/main/a/amcheck/) repository 
 

pgbackrest_auto

@@ -8,7 +8,7 @@
 # Requirements: local trust for postgres (login by Unix domain socket) in the pg_hba.conf or ".pgpass"
 # Run as user: postgres
 
-ver="1.0"
+ver="1.1"
 
 # variables for function "sendmail()"
 smtp_server="10.128.64.5:25"
@@ -450,22 +450,26 @@ function pg_data_validation(){
 }
 # amcheck - verify the logical consistency of the structure of PostgreSQL B-Tree indexes
 function pg_logical_validation(){
-        for db in "${ok_dbArray[@]}"; do
-            if pg_isready 1> /dev/null; then
+    for db in "${ok_dbArray[@]}"; do
+        if pg_isready 1> /dev/null; then
+            if [[ "$PGVER" -ge "11" && "$PGVER" -lt "90" ]]; then
+                ${bin_dir}/psql -p "${port}" -U postgres -d "$db" -tAc "CREATE EXTENSION if not exists amcheck" 1> /dev/null
+            else
                 ${bin_dir}/psql -p "${port}" -U postgres -d "$db" -tAc "CREATE EXTENSION if not exists amcheck_next" 1> /dev/null
                 if [[ $? -eq 0 ]]; then
                     info "Verify the logical consistency of the structure of indexes and heap relations in the database \e[1m$db\e[0m"
                     indexes=$(${bin_dir}/psql -p "${port}" -d "$db" -tAc "SELECT quote_ident(n.nspname)||'.'||quote_ident(c.relname) FROM pg_index i JOIN pg_opclass op ON i.indclass[0] = op.oid JOIN pg_am am ON op.opcmethod = am.oid JOIN pg_class c ON i.indexrelid = c.oid JOIN pg_namespace n ON c.relnamespace = n.oid WHERE am.amname = 'btree' AND n.nspname NOT IN ('pg_catalog', 'pg_toast') AND c.relpersistence != 't' AND c.relkind = 'i' AND i.indisready AND i.indisvalid")
                     for index in $indexes; do
                         # info "\e[90mVerify the logical consistency of the structure of index\e[0m ${index}"
                         ${bin_dir}/psql -p "${port}" -d "$db" -tAc "SELECT bt_index_parent_check('${index}', true)" 1> /dev/null
-                        if [[ $? -ne 0 ]]; then
-                            errmsg "Logical validation for index \e[1m${index}\e[0m ( database \e[1m$db\e[0m ) - \e[91mFailed\e[0m"
-                        fi
+                            if [[ $? -ne 0 ]]; then
+                                errmsg "Logical validation for index \e[1m${index}\e[0m ( database \e[1m$db\e[0m ) - \e[91mFailed\e[0m"
+                            fi
                     done
                 fi
             fi
-        done
+        fi
+    done
 }
 
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