diff --git a/htdocs/install/mysql/migration/5.0.0-6.0.0.sql b/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
index 56659ea714c..f1c5eea2279 100644
--- a/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
+++ b/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
@@ -304,10 +304,10 @@ CREATE TABLE llx_accounting_bookkeeping_tmp
   date_validated        datetime					-- FEC:ValidDate
 ) ENGINE=innodb;
 
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_doc_date (doc_date);
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_fk_docdet (fk_docdet);
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_numero_compte (numero_compte);
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_code_journal (code_journal);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_doc_date (doc_date);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_fk_docdet (fk_docdet);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_numero_compte (numero_compte);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_code_journal (code_journal);
 
 
 ALTER TABLE llx_accounting_bookkeeping MODIFY COLUMN debit double(24,8);
diff --git a/htdocs/install/mysql/tables/llx_accounting_bookkeeping_tmp.key.sql b/htdocs/install/mysql/tables/llx_accounting_bookkeeping_tmp.key.sql
index 95a15ca0a0d..5fc53842284 100644
--- a/htdocs/install/mysql/tables/llx_accounting_bookkeeping_tmp.key.sql
+++ b/htdocs/install/mysql/tables/llx_accounting_bookkeeping_tmp.key.sql
@@ -16,7 +16,7 @@
 --
 -- ============================================================================
 
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_doc_date (doc_date);
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_fk_docdet (fk_docdet);
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_numero_compte (numero_compte);
-ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_code_journal (code_journal);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_doc_date (doc_date);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_fk_docdet (fk_docdet);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_numero_compte (numero_compte);
+ALTER TABLE llx_accounting_bookkeeping_tmp ADD INDEX idx_accounting_bookkeeping_tmp_code_journal (code_journal);
diff --git a/htdocs/install/pgsql/functions/functions.sql b/htdocs/install/pgsql/functions/functions.sql
index e5b9d47a0ba..de6d98edf04 100644
--- a/htdocs/install/pgsql/functions/functions.sql
+++ b/htdocs/install/pgsql/functions/functions.sql
@@ -24,10 +24,10 @@ CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITHOUT TIME ZONE) RETURNS B
 
 CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITH TIME ZONE) RETURNS BIGINT LANGUAGE SQL IMMUTABLE STRICT AS 'SELECT EXTRACT(EPOCH FROM $1)::bigint;';
 
-DROP FUNCTION date_format(timestamp without time zone,text);
+DROP FUNCTION IF EXISTS date_format(timestamp without time zone,text);
 CREATE OR REPLACE FUNCTION date_format(timestamp without time zone, text) RETURNS text AS $$ DECLARE i int := 1; temp text := ''; c text; n text; res text; BEGIN WHILE i <= pg_catalog.length($2) LOOP c := SUBSTRING ($2 FROM i FOR 1); IF c = '%' AND i != pg_catalog.length($2) THEN n := SUBSTRING ($2 FROM (i + 1) FOR 1); SELECT INTO res CASE WHEN n = 'a' THEN pg_catalog.to_char($1, 'Dy') WHEN n = 'b' THEN pg_catalog.to_char($1, 'Mon') WHEN n = 'c' THEN pg_catalog.to_char($1, 'FMMM') WHEN n = 'D' THEN pg_catalog.to_char($1, 'FMDDth') WHEN n = 'd' THEN pg_catalog.to_char($1, 'DD') WHEN n = 'e' THEN pg_catalog.to_char($1, 'FMDD') WHEN n = 'f' THEN pg_catalog.to_char($1, 'US') WHEN n = 'H' THEN pg_catalog.to_char($1, 'HH24') WHEN n = 'h' THEN pg_catalog.to_char($1, 'HH12') WHEN n = 'I' THEN pg_catalog.to_char($1, 'HH12') WHEN n = 'i' THEN pg_catalog.to_char($1, 'MI') WHEN n = 'j' THEN pg_catalog.to_char($1, 'DDD') WHEN n = 'k' THEN pg_catalog.to_char($1, 'FMHH24') WHEN n = 'l' THEN pg_catalog.to_char($1, 'FMHH12') WHEN n = 'M' THEN pg_catalog.to_char($1, 'FMMonth') WHEN n = 'm' THEN pg_catalog.to_char($1, 'MM') WHEN n = 'p' THEN pg_catalog.to_char($1, 'AM') WHEN n = 'r' THEN pg_catalog.to_char($1, 'HH12:MI:SS AM') WHEN n = 'S' THEN pg_catalog.to_char($1, 'SS') WHEN n = 's' THEN pg_catalog.to_char($1, 'SS') WHEN n = 'T' THEN pg_catalog.to_char($1, 'HH24:MI:SS') WHEN n = 'U' THEN pg_catalog.to_char($1, '?') WHEN n = 'u' THEN pg_catalog.to_char($1, '?') WHEN n = 'V' THEN pg_catalog.to_char($1, '?') WHEN n = 'v' THEN pg_catalog.to_char($1, '?') WHEN n = 'W' THEN pg_catalog.to_char($1, 'FMDay') WHEN n = 'w' THEN EXTRACT(DOW FROM $1)::text WHEN n = 'X' THEN pg_catalog.to_char($1, '?') WHEN n = 'x' THEN pg_catalog.to_char($1, '?') WHEN n = 'Y' THEN pg_catalog.to_char($1, 'YYYY') WHEN n = 'y' THEN pg_catalog.to_char($1, 'YY') WHEN n = '%' THEN pg_catalog.to_char($1, '%') ELSE NULL END; temp := temp operator(pg_catalog.||) res; i := i + 2; ELSE temp = temp operator(pg_catalog.||) c; i := i + 1; END IF; END LOOP; RETURN temp; END $$ IMMUTABLE STRICT LANGUAGE plpgsql;
 
-DROP FUNCTION date_format(timestamp with time zone,text);
+DROP FUNCTION IF EXISTS date_format(timestamp with time zone,text);
 CREATE OR REPLACE FUNCTION date_format(timestamp with time zone, text) RETURNS text AS $$ DECLARE i int := 1; temp text := ''; c text; n text; res text; BEGIN WHILE i <= pg_catalog.length($2) LOOP c := SUBSTRING ($2 FROM i FOR 1); IF c = '%' AND i != pg_catalog.length($2) THEN n := SUBSTRING ($2 FROM (i + 1) FOR 1); SELECT INTO res CASE WHEN n = 'a' THEN pg_catalog.to_char($1, 'Dy') WHEN n = 'b' THEN pg_catalog.to_char($1, 'Mon') WHEN n = 'c' THEN pg_catalog.to_char($1, 'FMMM') WHEN n = 'D' THEN pg_catalog.to_char($1, 'FMDDth') WHEN n = 'd' THEN pg_catalog.to_char($1, 'DD') WHEN n = 'e' THEN pg_catalog.to_char($1, 'FMDD') WHEN n = 'f' THEN pg_catalog.to_char($1, 'US') WHEN n = 'H' THEN pg_catalog.to_char($1, 'HH24') WHEN n = 'h' THEN pg_catalog.to_char($1, 'HH12') WHEN n = 'I' THEN pg_catalog.to_char($1, 'HH12') WHEN n = 'i' THEN pg_catalog.to_char($1, 'MI') WHEN n = 'j' THEN pg_catalog.to_char($1, 'DDD') WHEN n = 'k' THEN pg_catalog.to_char($1, 'FMHH24') WHEN n = 'l' THEN pg_catalog.to_char($1, 'FMHH12') WHEN n = 'M' THEN pg_catalog.to_char($1, 'FMMonth') WHEN n = 'm' THEN pg_catalog.to_char($1, 'MM') WHEN n = 'p' THEN pg_catalog.to_char($1, 'AM') WHEN n = 'r' THEN pg_catalog.to_char($1, 'HH12:MI:SS AM') WHEN n = 'S' THEN pg_catalog.to_char($1, 'SS') WHEN n = 's' THEN pg_catalog.to_char($1, 'SS') WHEN n = 'T' THEN pg_catalog.to_char($1, 'HH24:MI:SS') WHEN n = 'U' THEN pg_catalog.to_char($1, '?') WHEN n = 'u' THEN pg_catalog.to_char($1, '?') WHEN n = 'V' THEN pg_catalog.to_char($1, '?') WHEN n = 'v' THEN pg_catalog.to_char($1, '?') WHEN n = 'W' THEN pg_catalog.to_char($1, 'FMDay') WHEN n = 'w' THEN EXTRACT(DOW FROM $1)::text WHEN n = 'X' THEN pg_catalog.to_char($1, '?') WHEN n = 'x' THEN pg_catalog.to_char($1, '?') WHEN n = 'Y' THEN pg_catalog.to_char($1, 'YYYY') WHEN n = 'y' THEN pg_catalog.to_char($1, 'YY') WHEN n = '%' THEN pg_catalog.to_char($1, '%') ELSE NULL END; temp := temp operator(pg_catalog.||) res; i := i + 2; ELSE temp = temp operator(pg_catalog.||) c; i := i + 1; END IF; END LOOP; RETURN temp; END $$ IMMUTABLE STRICT LANGUAGE plpgsql;