我有一个字段，其值类似于 {"code":"IE"}，我使用下面的代码来提取国家/地区代码
regexp_extract_all(country_code,'"code":"(.*?)"',1) as "CountryCode",
我尝试使用下面的案例语句将代码替换为国家/地区名称
CASE "CountryCode" When 'AF' THEN 'Afghanistan'
When 'AL' THEN 'Albania'
When 'DZ' THEN 'Algeria'
When 'AS' THEN 'American Samoa'
When 'AD' THEN 'Andorra'
When 'AO' THEN 'Angola'
When 'AI' THEN 'Anguilla'
When 'AQ' THEN 'Antarctica'
When 'AG' THEN 'Antigua and Barbuda'
When 'AR' THEN 'Argentina'
When 'AM' THEN 'Armenia'
When 'AW' THEN 'Aruba'
When 'AU' THEN 'Australia'
When 'AT' THEN 'Austria'
When 'AZ' THEN 'Azerbaijan'
When 'BS' THEN 'Bahamas (the)'
When 'BH' THEN 'Bahrain'
When 'BD' THEN 'Bangladesh'
When 'BB' THEN 'Barbados'
When 'BY' THEN 'Belarus'
When 'BE' THEN 'Belgium'
When 'BZ' THEN 'Belize'
When 'BJ' THEN 'Benin'
When 'BM' THEN 'Bermuda'
When 'BT' THEN 'Bhutan'
When 'BO' THEN 'Bolivia (Plurinational State of)'
When 'BQ' THEN 'Bonaire, Sint Eustatius and Saba'
When 'BA' THEN 'Bosnia and Herzegovina'
When 'BW' THEN 'Botswana'
When 'BV' THEN 'Bouvet Island'
When 'BR' THEN 'Brazil'
When 'IO' THEN 'British Indian Ocean Territory (the)'
When 'BN' THEN 'Brunei Darussalam'
When 'BG' THEN 'Bulgaria'
When 'BF' THEN 'Burkina Faso'
When 'BI' THEN 'Burundi'
When 'CV' THEN 'Cabo Verde'
When 'KH' THEN 'Cambodia'
When 'CM' THEN 'Cameroon'
When 'CA' THEN 'Canada'
When 'KY' THEN 'Cayman Islands (the)'
When 'CF' THEN 'Central African Republic (the)'
When 'TD' THEN 'Chad'
When 'CL' THEN 'Chile'
When 'CN' THEN 'China'
When 'CX' THEN 'Christmas Island'
When 'CC' THEN 'Cocos (Keeling) Islands (the)'
When 'CO' THEN 'Colombia'
When 'KM' THEN 'Comoros (the)'
When 'CD' THEN 'Congo (the Democratic Republic of the)'
When 'CG' THEN 'Congo (the)'
When 'CK' THEN 'Cook Islands (the)'
When 'CR' THEN 'Costa Rica'
When 'HR' THEN 'Croatia'
When 'CU' THEN 'Cuba'
When 'CW' THEN 'Curaçao'
When 'CY' THEN 'Cyprus'
When 'CZ' THEN 'Czechia'
When 'CI' THEN 'Côte dIvoire'
When 'DK' THEN 'Denmark'
When 'DJ' THEN 'Djibouti'
When 'DM' THEN 'Dominica'
When 'DO' THEN 'Dominican Republic (the)'
When 'EC' THEN 'Ecuador'
When 'EG' THEN 'Egypt'
When 'SV' THEN 'El Salvador'
When 'GQ' THEN 'Equatorial Guinea'
When 'ER' THEN 'Eritrea'
When 'EE' THEN 'Estonia'
When 'SZ' THEN 'Eswatini'
When 'ET' THEN 'Ethiopia'
When 'FK' THEN 'Falkland Islands (the) [Malvinas]'
When 'FO' THEN 'Faroe Islands (the)'
When 'FJ' THEN 'Fiji'
When 'FI' THEN 'Finland'
When 'FR' THEN 'France'
When 'GF' THEN 'French Guiana'
When 'PF' THEN 'French Polynesia'
When 'TF' THEN 'French Southern Territories (the)'
When 'GA' THEN 'Gabon'
When 'GM' THEN 'Gambia (the)'
When 'GE' THEN 'Georgia'
When 'DE' THEN 'Germany'
When 'GH' THEN 'Ghana'
When 'GI' THEN 'Gibraltar'
When 'GR' THEN 'Greece'
When 'GL' THEN 'Greenland'
When 'GD' THEN 'Grenada'
When 'GP' THEN 'Guadeloupe'
When 'GU' THEN 'Guam'
When 'GT' THEN 'Guatemala'
When 'GG' THEN 'Guernsey'
When 'GN' THEN 'Guinea'
When 'GW' THEN 'Guinea-Bissau'
When 'GY' THEN 'Guyana'
When 'HT' THEN 'Haiti'
When 'HM' THEN 'Heard Island and McDonald Islands'
When 'VA' THEN 'Holy See (the)'
When 'HN' THEN 'Honduras'
When 'HK' THEN 'Hong Kong'
When 'HU' THEN 'Hungary'
When 'IS' THEN 'Iceland'
When 'IN' THEN 'India'
When 'ID' THEN 'Indonesia'
When 'IR' THEN 'Iran (Islamic Republic of)'
When 'IQ' THEN 'Iraq'
When 'IE' THEN 'Ireland'
When 'IM' THEN 'Isle of Man'
When 'IL' THEN 'Israel'
When 'IT' THEN 'Italy'
When 'JM' THEN 'Jamaica'
When 'JP' THEN 'Japan'
When 'JE' THEN 'Jersey'
When 'JO' THEN 'Jordan'
When 'KZ' THEN 'Kazakhstan'
When 'KE' THEN 'Kenya'
When 'KI' THEN 'Kiribati'
When 'KP' THEN 'Korea (the Democratic Peoples Republic of)'
When 'KR' THEN 'Korea (the Republic of)'
When 'KW' THEN 'Kuwait'
When 'KG' THEN 'Kyrgyzstan'
When 'LA' THEN 'Lao Peoples Democratic Republic (the)'
When 'LV' THEN 'Latvia'
When 'LB' THEN 'Lebanon'
When 'LS' THEN 'Lesotho'
When 'LR' THEN 'Liberia'
When 'LY' THEN 'Libya'
When 'LI' THEN 'Liechtenstein'
When 'LT' THEN 'Lithuania'
When 'LU' THEN 'Luxembourg'
When 'MO' THEN 'Macao'
When 'MG' THEN 'Madagascar'
When 'MW' THEN 'Malawi'
When 'MY' THEN 'Malaysia'
When 'MV' THEN 'Maldives'
When 'ML' THEN 'Mali'
When 'MT' THEN 'Malta'
When 'MH' THEN 'Marshall Islands (the)'
When 'MQ' THEN 'Martinique'
When 'MR' THEN 'Mauritania'
When 'MU' THEN 'Mauritius'
When 'YT' THEN 'Mayotte'
When 'MX' THEN 'Mexico'
When 'FM' THEN 'Micronesia (Federated States of)'
When 'MD' THEN 'Moldova (the Republic of)'
When 'MC' THEN 'Monaco'
When 'MN' THEN 'Mongolia'
When 'ME' THEN 'Montenegro'
When 'MS' THEN 'Montserrat'
When 'MA' THEN 'Morocco'
When 'MZ' THEN 'Mozambique'
When 'MM' THEN 'Myanmar'
When 'NA' THEN 'Namibia'
When 'NR' THEN 'Nauru'
When 'NP' THEN 'Nepal'
When 'NL' THEN 'Netherlands (the)'
When 'NC' THEN 'New Caledonia'
When 'NZ' THEN 'New Zealand'
When 'NI' THEN 'Nicaragua'
When 'NE' THEN 'Niger (the)'
When 'NG' THEN 'Nigeria'
When 'NU' THEN 'Niue'
When 'NF' THEN 'Norfolk Island'
When 'MP' THEN 'Northern Mariana Islands (the)'
When 'NO' THEN 'Norway'
When 'OM' THEN 'Oman'
When 'PK' THEN 'Pakistan'
When 'PW' THEN 'Palau'
When 'PS' THEN 'Palestine, State of'
When 'PA' THEN 'Panama'
When 'PG' THEN 'Papua New Guinea'
When 'PY' THEN 'Paraguay'
When 'PE' THEN 'Peru'
When 'PH' THEN 'Philippines (the)'
When 'PN' THEN 'Pitcairn'
When 'PL' THEN 'Poland'
When 'PT' THEN 'Portugal'
When 'PR' THEN 'Puerto Rico'
When 'QA' THEN 'Qatar'
When 'MK' THEN 'Republic of North Macedonia'
When 'RO' THEN 'Romania'
When 'RU' THEN 'Russian Federation (the)'
When 'RW' THEN 'Rwanda'
When 'RE' THEN 'Réunion'
When 'BL' THEN 'Saint Barthélemy'
When 'SH' THEN 'Saint Helena, Ascension and Tristan da Cunha'
When 'KN' THEN 'Saint Kitts and Nevis'
When 'LC' THEN 'Saint Lucia'
When 'MF' THEN 'Saint Martin (French part)'
When 'PM' THEN 'Saint Pierre and Miquelon'
When 'VC' THEN 'Saint Vincent and the Grenadines'
When 'WS' THEN 'Samoa'
When 'SM' THEN 'San Marino'
When 'ST' THEN 'Sao Tome and Principe'
When 'SA' THEN 'Saudi Arabia'
When 'SN' THEN 'Senegal'
When 'RS' THEN 'Serbia'
When 'SC' THEN 'Seychelles'
When 'SL' THEN 'Sierra Leone'
When 'SG' THEN 'Singapore'
When 'SX' THEN 'Sint Maarten (Dutch part)'
When 'SK' THEN 'Slovakia'
When 'SI' THEN 'Slovenia'
When 'SB' THEN 'Solomon Islands'
When 'SO' THEN 'Somalia'
When 'ZA' THEN 'South Africa'
When 'GS' THEN 'South Georgia and the South Sandwich Islands'
When 'SS' THEN 'South Sudan'
When 'ES' THEN 'Spain'
When 'LK' THEN 'Sri Lanka'
When 'SD' THEN 'Sudan (the)'
When 'SR' THEN 'Suriname'
When 'SJ' THEN 'Svalbard and Jan Mayen'
When 'SE' THEN 'Sweden'
When 'CH' THEN 'Switzerland'
When 'SY' THEN 'Syrian Arab Republic'
When 'TW' THEN 'Taiwan (Province of China)'
When 'TJ' THEN 'Tajikistan'
When 'TZ' THEN 'Tanzania, United Republic of'
When 'TH' THEN 'Thailand'
When 'TL' THEN 'Timor-Leste'
When 'TG' THEN 'Togo'
When 'TK' THEN 'Tokelau'
When 'TO' THEN 'Tonga'
When 'TT' THEN 'Trinidad and Tobago'
When 'TN' THEN 'Tunisia'
When 'TR' THEN 'Turkey'
When 'TM' THEN 'Turkmenistan'
When 'TC' THEN 'Turks and Caicos Islands (the)'
When 'TV' THEN 'Tuvalu'
When 'UG' THEN 'Uganda'
When 'UA' THEN 'Ukraine'
When 'AE' THEN 'United Arab Emirates (the)'
When 'GB' THEN 'United Kingdom of Great Britain and Northern Ireland (the)'
When 'UM' THEN 'United States Minor Outlying Islands (the)'
When 'US' THEN 'United States of America (the)'
When 'UY' THEN 'Uruguay'
When 'UZ' THEN 'Uzbekistan'
When 'VU' THEN 'Vanuatu'
When 'VE' THEN 'Venezuela (Bolivarian Republic of)'
When 'VN' THEN 'Viet Nam'
When 'VG' THEN 'Virgin Islands (British)'
When 'VI' THEN 'Virgin Islands (U.S.)'
When 'WF' THEN 'Wallis and Futuna'
When 'EH' THEN 'Western Sahara'
When 'YE' THEN 'Yemen'
When 'ZM' THEN 'Zambia'
When 'ZW' THEN 'Zimbabwe'
When 'AX' THEN 'Åland Islands'
END as CountryName
您似乎试图用相应的国家/地区名称替换数据中的国家/地区代码。您的
CASECASESELECT
your_other_columns,
CASE "CountryCode"
When 'AF' THEN 'Afghanistan'
When 'AL' THEN 'Albania'
-- ... (all your country code mappings)
When 'ZW' THEN 'Zimbabwe'
When 'AX' THEN 'Åland Islands'
END as CountryName
FROM
your_table_name;
将
"CountryCode""CountryName""your_table_name""CountryCode"CASE