Updated documentation for QueryBuilder::execute() return value type

Make sure that the $types array has the same keys $params

This will allow to omit parameters with unspecified types

Allow add previous exception in ConversionException

Update readme

Add missed end of comment

This branch seems to have been removed.

Use Docker consistently

They are no longer supported by their vendors, but until we do support
them, we should continue testing them.

It seems to be enabled by default.

Hopefully it will work more reliably.

PHP 7.4 has stable versions now.

When a Docker version of the build is available, use it.

Fix broken build

See https://www.postgresql.org/support/versioning/
See https://mariadb.com/kb/en/mariadb-server/

CompositeExpression and()/or() factory methods

Deprecated the usage of the Version class

[pg] fix getting table information if search_path contains escaped schema name

Deprecate calling QueryBuilder methods with an array argument

Prepare CompositeExpression for immutability

First parameter of ExpressionBuilder::and/or() mandatory

Rename andX() / orX() methods

Fixed the QueryBuilder::setMaxResults() signature to accept NULL

Fix unquoted stmt fragments backslash escaping