+## Which column types are okay to map from mysql to postgres?
+my $COLMAP = q{
+## INTS:
+tinyint SMALLINT
+int INTEGER SERIAL
+smallint SMALLINT
+bigint BIGINT
+real NUMERIC
+float NUMERIC
+
+## TEXT:
+varchar(15) TEXT
+varchar(32) TEXT
+varchar(70) TEXT
+varchar(255) TEXT
+varchar TEXT
+text TEXT
+tinytext TEXT
+ENUM TEXT
+
+## TIMESTAMPS:
+varbinary(14) TIMESTAMPTZ
+binary(14) TIMESTAMPTZ
+datetime TIMESTAMPTZ
+timestamp TIMESTAMPTZ
+
+## BYTEA:
+mediumblob BYTEA
+
+## OTHER:
+bool SMALLINT # Sigh
+
+};
+## Allow specific exceptions to the above
+my $COLMAPOK = q{
+## User inputted text strings:
+ar_comment tinyblob TEXT
+fa_description tinyblob TEXT
+img_description tinyblob TEXT
+ipb_reason tinyblob TEXT
+log_action varbinary(32) TEXT
+log_type varbinary(32) TEXT
+oi_description tinyblob TEXT
+rev_comment tinyblob TEXT
+rc_log_action varbinary(255) TEXT
+rc_log_type varbinary(255) TEXT
+
+## Simple text-only strings:
+ar_flags tinyblob TEXT
+cf_name varbinary(255) TEXT
+cf_value blob TEXT
+ar_sha1 varbinary(32) TEXT
+cl_collation varbinary(32) TEXT
+cl_sortkey varbinary(230) TEXT
+ct_params blob TEXT
+fa_minor_mime varbinary(100) TEXT
+fa_storage_group varbinary(16) TEXT # Just 'deleted' for now, should stay plain text
+fa_storage_key varbinary(64) TEXT # sha1 plus text extension
+ipb_address tinyblob TEXT # IP address or username
+ipb_range_end tinyblob TEXT # hexadecimal
+ipb_range_start tinyblob TEXT # hexadecimal
+img_minor_mime varbinary(100) TEXT
+lc_lang varbinary(32) TEXT
+lc_value varbinary(32) TEXT
+img_sha1 varbinary(32) TEXT
+iw_wikiid varchar(64) TEXT
+job_cmd varbinary(60) TEXT # Should we limit to 60 as well?
+keyname varbinary(255) TEXT # No tablename prefix (objectcache)
+ll_lang varbinary(20) TEXT # Language code
+lc_value mediumblob TEXT
+log_params blob TEXT # LF separated list of args
+log_type varbinary(10) TEXT
+ls_field varbinary(32) TEXT
+md_deps mediumblob TEXT # JSON
+md_module varbinary(255) TEXT
+md_skin varbinary(32) TEXT
+mr_blob mediumblob TEXT # JSON
+mr_lang varbinary(32) TEXT
+mr_resource varbinary(255) TEXT
+mrl_message varbinary(255) TEXT
+mrl_resource varbinary(255) TEXT
+oi_minor_mime varbinary(100) TEXT
+oi_sha1 varbinary(32) TEXT
+old_flags tinyblob TEXT
+old_text mediumblob TEXT
+pp_propname varbinary(60) TEXT
+pp_value blob TEXT
+page_restrictions tinyblob TEXT # CSV string
+pf_server varchar(30) TEXT
+pr_level varbinary(60) TEXT
+pr_type varbinary(60) TEXT
+pt_create_perm varbinary(60) TEXT
+pt_reason tinyblob TEXT
+qc_type varbinary(32) TEXT
+qcc_type varbinary(32) TEXT
+qci_type varbinary(32) TEXT
+rc_params blob TEXT
+rev_sha1 varbinary(32) TEXT
+rlc_to_blob blob TEXT
+ts_tags blob TEXT
+ufg_group varbinary(32) TEXT
+ug_group varbinary(32) TEXT
+ul_value blob TEXT
+up_property varbinary(255) TEXT
+up_value blob TEXT
+us_sha1 varchar(31) TEXT
+us_source_type varchar(50) TEXT
+us_status varchar(50) TEXT
+user_email_token binary(32) TEXT
+user_ip varbinary(40) TEXT
+user_newpassword tinyblob TEXT
+user_options blob TEXT
+user_password tinyblob TEXT
+user_token binary(32) TEXT
+iwl_prefix varbinary(20) TEXT
+
+## Text URLs:
+el_index blob TEXT
+el_to blob TEXT
+iw_api blob TEXT
+iw_url blob TEXT
+tb_url blob TEXT
+tc_url varbinary(255) TEXT
+
+## Deprecated or not yet used:
+ar_text mediumblob TEXT
+job_params blob TEXT
+log_deleted tinyint INTEGER # Not used yet, but keep it INTEGER for safety
+rc_type tinyint CHAR
+
+## Number tweaking:
+fa_bits int SMALLINT # bits per pixel
+fa_height int SMALLINT
+fa_width int SMALLINT # Hope we don't see an image this wide...
+hc_id int BIGINT # Odd that site_stats is all bigint...
+img_bits int SMALLINT # bits per image should stay sane
+oi_bits int SMALLINT
+
+## True binary fields, usually due to gzdeflate and/or serialize:
+math_inputhash varbinary(16) BYTEA
+math_outputhash varbinary(16) BYTEA
+
+## Namespaces: not need for such a high range
+ar_namespace int SMALLINT
+job_namespace int SMALLINT
+log_namespace int SMALLINT
+page_namespace int SMALLINT
+pl_namespace int SMALLINT
+pt_namespace int SMALLINT
+qc_namespace int SMALLINT
+rc_namespace int SMALLINT
+rd_namespace int SMALLINT
+rlc_to_namespace int SMALLINT
+tl_namespace int SMALLINT
+wl_namespace int SMALLINT
+
+## Easy enough to change if a wiki ever does grow this big:
+ss_active_users bigint INTEGER
+ss_good_articles bigint INTEGER
+ss_total_edits bigint INTEGER
+ss_total_pages bigint INTEGER
+ss_total_views bigint INTEGER
+ss_users bigint INTEGER
+
+## True IP - keep an eye on these, coders tend to make textual assumptions
+rc_ip varbinary(40) CIDR # Want to keep an eye on this
+
+## Others:
+tc_time int TIMESTAMPTZ
+
+
+};
+
+my %colmap;
+for (split /\n/ => $COLMAP) {
+ next unless /^\w/;
+ s/(.*?)#.*/$1/;
+ my ($col,@maps) = split / +/, $_;
+ for (@maps) {
+ $colmap{$col}{$_} = 1;